2023 maintenance schedule

2023 Acura RDX FWD Complete Maintenance Schedule & Service Guide

The 2023 Acura RDX FWD (Front-Wheel Drive) represents the continued evolution of Acura's best-selling SUV.

Reviewed by

Rebecca Hale

Vehicle service editor and reviewer

Last updated

June 18, 2026

Reviewed for service schedule clarity.

The 2023 Acura RDX FWD (Front-Wheel Drive) represents the continued evolution of Acura's best-selling SUV. Powered by a turbocharged 2.0L 4-cylinder engine (K20C4) producing 272 horsepower and 280 lb-ft of torque, paired with a 10-speed automatic transmission, this model marks a significant change in ownership experience: for the first time, Acura includes a complimentary Acura Maintenance Package covering the first 2 years or 24,000 miles of factory-scheduled maintenance .

> CRITICAL ENGINE NOTE: The 2.0L turbo engine uses a timing chain, NOT a belt. Replacement is not required as a scheduled maintenance item. The "Timing Belt Replacement" services you see for other Acuras do NOT apply to your 2023 RDX . If a shop tries to sell you a "timing belt service" for this vehicle, they are either mistaken or trying to upsell you on unnecessary work.

Key Takeaways

  • No timing belt replacement – EVER. The 2023 RDX FWD has a timing chain . The Dayco 95329 timing belt (listed for 2013-2018 RDX) is for the PREVIOUS generation V6 engine, NOT your 2023 2.0L turbo .
  • Follow the Maintenance Minder system, NOT fixed odometer intervals. Your RDX does not use a traditional fixed-mileage schedule like "every 30,000 miles" . Instead, it uses an intelligent Maintenance Minder system that monitors driving habits and displays specific codes when service is actually due .
  • The 2023 RDX includes a complimentary Acura Maintenance Package. Covers 2 years or 24,000 miles (whichever comes first) of select factory-scheduled maintenance, including oil/filter changes, tire rotations, and multi-point inspections when performed at a participating Acura dealership .
  • FWD means no rear differential service. Unlike AWD models, your FWD RDX has no rear differential and no transfer case. This significantly reduces maintenance costs.
  • Premium fuel (91 octane) is recommended for optimal performance and fuel economy. The FWD model achieves EPA ratings of 22 mpg city / 28 mpg highway / 24 mpg combined .
  • For major periodic service, this should generally be done every 2 years or after 30,000 kilometers (approximately 18,600 miles).
  • Service at a dealer is NOT mandatory to keep your warranties in effect. Maintenance may be performed by any qualified automotive repair establishment .

Engine & Drivetrain Specifications

The 2023 Acura RDX FWD is powered by a turbocharged 2.0L inline-4 engine.

SpecificationValue
Engine2.0L Turbo 4-cylinder (K20C4), Direct Injection, DOHC, VTEC
Horsepower272 hp
Torque280 lb-ft
Transmission10-speed automatic (10AT)
DrivetrainFront-Wheel Drive (FWD)
Fuel requirementPremium recommended (91 octane)
EPA Fuel Economy (FWD)22 mpg city / 28 mpg highway / 24 mpg combined
Engine oil typeSAE 0W-20 premium-grade synthetic
Oil capacity (with filter)Approximately 4.7-5.7 quarts (verify with dipstick)
Towing capacity1,500 lbs

FWD vs. AWD – Critical Differences

Your FWD model has no rear differential and no transfer case. This is the primary maintenance difference:

ComponentAWD RequirementFWD (Your Vehicle) Requirement
Rear differential fluidREQUIRED (Code 6)NOT REQUIRED – no rear differential
Transfer case fluidREQUIRED (Part of Code 3)NOT REQUIRED – no transfer case

Understanding the Maintenance Minder System

The 2023 Acura RDX does not have a traditional fixed‑mileage maintenance schedule. Instead, Acura employs a Maintenance Minder system that monitors vehicle operating conditions and calculates when service is required .

How the System Works

When the engine oil life reaches 15%, a wrench symbol and system message indicator illuminate on the multi-information display, and the system displays alphanumeric codes indicating which services are due . Based on engine operating conditions, the remaining engine oil life is calculated and displayed as a percentage :

Displayed Oil Life (%)Calculated Oil Life (%)
100100 to 91
9090 to 81
8080 to 71
7070 to 61
6060 to 51
5050 to 41
4040 to 31
3030 to 21
2020 to 16
1515 to 11
1010 to 6
55 to 1
00

Under normal driving conditions, oil changes typically occur between 7,500 and 10,000 miles. Severe conditions could trigger alerts in a range from 3,000-4,999 miles.

Oil Life RemainingMessage DisplayedRecommended Action
15%Service Due SoonSchedule service soon
5%Service Due NowService immediately
0%Service Past DueOverdue—schedule immediately

Viewing Maintenance Minder Information

To display Maintenance Minder information :

  1. Set the power mode to ON (do not start the engine)
  2. Press the right selector wheel until content is displayed
  3. Roll the right selector wheel until the Maintenance screen appears
  4. The oil life percentage and due maintenance codes will display on the multi-information display

Independent (Time-Based) Maintenance Requirements

The following requirements must be tracked independently of the Maintenance Minder system :

ConditionRequired Action
No maintenance message within 12 months of resetChange engine oil at least once per year
Brake fluid replacementEvery 3 years (independent of mileage)
Driving in dusty conditionsReplace air cleaner element every 15,000 miles (24,000 km)
Driving in urban areas with high sootReplace dust/pollen filter every 15,000 miles (24,000 km)

Resetting the Maintenance Minder Display

After performing the required maintenance service, the engine oil life display must be reset. Failure to reset results in the system showing incorrect maintenance intervals .

Reset Procedure:

  1. Set the power mode to ON (do not start the engine)
  2. Navigate to the Maintenance Minder screen using the right selector wheel
  3. Press and hold the right selector wheel for about 10 seconds to enter reset mode
  4. Select the maintenance items to reset or choose All due items
  5. Press the selector wheel to reset the selected item
  6. Repeat for other items you wish to reset

> Note: The dealer will reset the Maintenance Minder display after completing required maintenance service. If someone other than a dealer performs maintenance service, reset the Maintenance Minder display yourself.

Maintenance Minder Codes

The Maintenance Minder communicates service needs through alphanumeric codes. A code consists of a main item (A or B) optionally followed by sub‑item numbers (1 through 6) .

Main Item Codes (A, B)

CodeRequired Service
AReplace engine oil*¹
BReplace engine oil*¹ and oil filter; inspect front and rear brakes; check expiration date for tire repair kit bottle; inspect tie rod ends, steering gearbox, and boots; inspect suspension components; inspect driveshaft boots; inspect brake hoses and lines (including ABS/VSA); inspect all fluid levels and condition of fluids; inspect exhaust system#; inspect fuel lines and connections#

Footnotes:

  • *¹: If a message does not appear more than 12 months after the display is reset, change the engine oil every year .
  • #: See information on maintenance and emissions warranty .

Sub-Item Codes (1-6)

CodeService DescriptionFWD Notes
1Rotate tiresCheck tire pressure and condition
2Replace air cleaner element*²; replace dust and pollen filter*³; inspect drive beltDusty conditions: replace air cleaner every 15,000 miles. High-soot urban areas: replace filter every 15,000 miles
3Replace transmission fluidFWD only – NO transfer case
4Replace spark plugs; inspect valve clearance NOTE: Timing belt replacement does NOT apply (timing chain engine)
5Replace engine coolantStandard coolant replacement
6Replace rear differential fluid*⁴NOT APPLICABLE – FWD MODELS ONLY

Footnotes:

  • *²: If you drive in dusty conditions, replace the air cleaner element every 15,000 miles (24,000 km) .
  • *³: If you drive primarily in urban areas that have high concentrations of soot in the air from industry and from diesel-powered vehicles, replace the dust and pollen filter every 15,000 miles (24,000 km) .
  • *⁴: FWD MODELS: NOT APPLICABLE. This code only applies to AWD vehicles .

Valve Adjustment Note

> *"Adjust the valves during services A, B, 1, 2, or 3 if they are noisy."*

Example Code Combinations

Displayed CodeServices Required
A1Oil change + tire rotation
B2Oil/filter change + comprehensive inspection + air filters + drive belt inspection
B3Comprehensive service + transmission fluid replacement (FWD – no transfer case)
B7Comprehensive service + brake fluid replacement (time-based)

Engine Oil Change Guidance

Factory Requirements

SpecificationDetail
Recommended oilSAE 0W‑20 premium-grade synthetic oil
Oil change triggerMaintenance Minder Code A or B (when oil life reaches 15%)
Maximum time intervalIf no message appears within 12 months, change oil at least once per year
Oil filterReplace at every oil change (Code B includes filter change)
Acura Maintenance PackageComplimentary for first 2 years/24,000 miles

How to Check Engine Oil Level

  1. Park on level ground and wait at least 3 minutes after engine shutdown
  2. Pull out the dipstick and wipe completely clean
  3. Reinsert fully, then remove again
  4. Oil level should be between the upper and lower marks

Owner Guidance

  • Acura Genuine Motor Oil is recommended, though any synthetic oil of the same viscosity grade and API certification is acceptable
  • Your Acura does not require any oil additives
  • Check the engine oil level at least once per month
  • The "A" service includes an oil change; "B" service adds the oil filter and comprehensive inspection

Turbocharger Care

The K20C4 is a turbocharged engine. Turbo health depends on clean oil and proper cooldown. After extended high-speed or spirited driving, allow the engine to idle for 30-60 seconds before shutdown to cool the turbocharger. Using synthetic oil and changing it on schedule is particularly important for turbo engine longevity.

Timing Chain vs. Belt – Critical Distinction

This is the most important distinction for 2023 RDX owners. Your vehicle has a timing chain, NOT a belt.

ComponentYour RDX (2023, 2.0L Turbo)Older Acura V6 Models (2013-2018 RDX, etc.)
ValvetrainTiming chainTiming belt
ReplacementNOT required as scheduled maintenance105,000 miles or 7 years
Code 4 meaningSpark plugs + valve clearanceSpark plugs + timing belt + water pump
Dayco 95329 fits?NO – this is for V6 modelsYES

The 2023 RDX uses a timing chain . The Dayco 95329 timing belt appearing in search results is explicitly for:

  • Acura RDX 2013-2018 (previous generation with V6 engine)
  • Acura MDX, TL, RL, TSX V6
  • Honda Accord V6, Odyssey, Pilot, Ridgeline

Your 2023 RDX with the 2.0L turbo engine has a timing chain, which is bathed in engine oil and designed to last the lifetime of the engine under normal conditions. Do not let anyone sell you a "timing belt service" – this vehicle does not have a timing belt.

The Dayco 95329 timing belt data confirms compatibility with RDX 2013-2018, NOT 2019-2023 .

Acura Maintenance Package (2 Years / 24,000 Miles)

For the 2023 model year, Acura introduced a complimentary Acura Maintenance Package for the RDX .

Coverage DetailInformation
Duration2 years or 24,000 miles, whichever comes first
CoverageSelect factory-scheduled maintenance as indicated by the Maintenance Minder system
Included servicesStandard oil and filter changes, tire rotations, multi-point inspections
LocationAll maintenance must be performed at a participating Acura dealership
TransferabilityFully transferrable to subsequent owners while active
ValidityValid only in the United States of America

> Note: Certain models may require different maintenance schedules as recommended by the vehicle's Maintenance Minder system and described in the vehicles' Owner's Manuals .

Brake Fluid Replacement

SpecificationDetail
Specified fluidAcura Heavy Duty Brake Fluid DOT 3
Replacement requirementEvery 3 years, independent of the Maintenance Minder
Check frequencyMonthly
Temporary substituteDOT 3 or DOT 4 from a sealed container
DOT 5 warningNOT compatible – never use DOT 5 fluid

Why it's critical: Brake fluid is hygroscopic – it absorbs moisture from the air over time . This moisture lowers the fluid's boiling point (causing potential brake fade under hard braking) and promotes internal corrosion of the brake system (calipers, master cylinder, ABS modulator).

Owner Guidance: A complete system flush (draining old fluid from the bleeder screw at each caliper) is required. Topping off the reservoir is not sufficient. Check the brake fluid level monthly and keep it between MIN and MAX marks .

> From the Maintenance Minder: *"If a Maintenance Minder Indicator does not appear more than 36 months after the display for item 7 is reset, change the brake fluid every 3 years."*

Transmission Service (10-Speed Automatic – FWD Only)

The 2023 RDX FWD is equipped with a 10-speed automatic transmission (10AT). Your FWD model has no transfer case – only the transmission requires service .

SpecificationDetail
Specified fluidAcura ATF-type 2.0/3.1
Replacement triggerMaintenance Minder code 3
Standard intervalFollow Maintenance Minder (typically 60,000-100,000 miles)
Transfer case fluidNOT APPLICABLE – FWD only

Critical Warning: Do not mix Acura ATF-type 2.0 or 3.1 with other transmission fluids. Using a transmission fluid other than Acura‑specified ATF may adversely affect the operation and durability of your vehicle's transmission, and damage the transmission. Any damage caused by using a transmission fluid that is not equivalent to Acura ATF-type 2.0/3.1 is not covered by Acura's new vehicle limited warranty .

Owner Guidance: The proper method for a complete fluid exchange is the "3x method" (drain, fill, drive through all gears, repeat three times). This is the dealer‑recommended procedure and does not use a power flush machine.

Towing Note: The maximum towing capacity when properly equipped is 1,500 lbs. Towing is considered severe driving and may shorten service intervals, including requiring more frequent transmission fluid changes.

Drive Belt & Air Filters

ComponentReplacement TriggerSevere Conditions Note
Engine air cleaner elementMaintenance Minder code 2If driving in dusty conditions: replace every 15,000 miles (24,000 km)
Cabin air filter (dust and pollen filter)Maintenance Minder code 2If driving in high‑soot urban areas: replace every 15,000 miles (24,000 km)
Drive belt (serpentine belt)Maintenance Minder code 2 (inspect)Replace if cracked, frayed, or glazed; typical lifespan 60,000-90,000 miles

Owner Guidance: Both filters are inexpensive and can be replaced without special tools. The cabin air filter is typically located behind the glove box; replacing it annually improves interior air quality and HVAC performance. A clogged engine air filter can reduce turbocharger performance on the 2.0L turbo engine.

When the drive belt is replaced, also replace the tensioner. The belt is rubber and prone to cracking over time.

Spark Plug Replacement & Valve Clearance

SpecificationDetail
Replacement triggerMaintenance Minder code 4
Standard intervalWhen Code 4 appears (typically 60,000-100,000 miles)
TypeIridium long-life plugs (OEM-specified NGK or Denso)
Quantity4 plugs
Valve clearanceInspect when spark plugs are replaced; adjust only if they are noisy

Owner Guidance: Replace spark plugs during the major service interval (code 4). Use only OEM‑specified plugs. The K20C4 engine uses mechanical lifters (not hydraulic). While the manual states "adjust only if noisy," many Acura specialists recommend checking clearances at major service intervals regardless of noise, especially on turbocharged engines.

> REMINDER: Code 4 does NOT include timing belt replacement for this vehicle – the 2.0L turbo engine has a timing chain. The Dayco 95329 timing belt is for 2013-2018 RDX V6 models, NOT the 2023 RDX .

Engine Coolant Service

SpecificationDetail
Replacement triggerMaintenance Minder code 5
Standard intervalWhen Code 5 appears (approximately 60,000-120,000 miles)
Coolant typeAcura Long Life Antifreeze/Coolant Type 2 (premixed 50/50, blue)
Check frequencyCheck coolant level in the reserve tank at each fuel fill

Owner Guidance: Do not use generic green coolant. Honda/Acura Type 2 coolant is specifically formulated for aluminum engine components. If the coolant appears dark or contaminated, replace it sooner regardless of the Maintenance Minder.

Major periodic service reminder: For major periodic service, this should generally be done every 2 years or after 30,000 kilometers (approximately 18,600 miles).

Resetting the Maintenance Minder Display

After performing the required maintenance service, the engine oil life display must be reset. Failure to reset results in the system showing incorrect maintenance intervals .

Reset Procedure:

  1. Set the power mode to ON (do not start the engine)
  2. Navigate to the Maintenance Minder screen using the right selector wheel
  3. Press and hold the right selector wheel for about 10 seconds to enter reset mode
  4. Select the maintenance items to reset or choose All due items
  5. Press the selector wheel to reset the selected item
  6. Repeat for other items you wish to reset

> Note: The dealer will reset the Maintenance Minder display after completing required maintenance service. If someone other than a dealer performs maintenance service, reset the Maintenance Minder display yourself .

Monthly & Pre‑Drive Checks

As outlined in the 2023 RDX Owner's Manual, perform these checks regularly :

FrequencyCheck Item
MonthlyBrake fluid level
MonthlyTire pressure (including spare); examine tread for wear and foreign objects
MonthlyExterior lights operation
Every 6 monthsWiper blade condition
Pre‑drive / Before long tripsEngine oil level; windshield washer fluid; tires for damage; fluid leaks under vehicle

Daily inspections should be performed before long-distance trips, when washing the vehicle, or when refueling .

Service at Independent Shops – Important

Important: Acura explicitly states that service at a dealer is not mandatory to keep your warranties in effect :

> *"Maintenance, replacement, or repair of emissions control devices and systems may be done by any automotive repair establishment or individuals using parts that are 'certified' to EPA standards."*

According to state and federal regulations, failure to perform maintenance on the maintenance main items marked with # will not void your emissions warranties. However, all maintenance services should be performed in accordance with the intervals indicated by the driver information interface .

Keep all receipts as proof of completion. After performing maintenance, update the records in the separate maintenance booklet .

Severe Driving Conditions Summary

The following severe condition requirements apply independently of the Maintenance Minder:

ConditionComponentRequired Action
Mountain driving at very low speeds or towingTransmission fluidChange more frequently than minder recommends
Dusty driving conditionsEngine air cleaner elementReplace every 15,000 miles (24,000 km)
High‑soot urban drivingCabin air filterReplace every 15,000 miles (24,000 km)
No service message for 12 monthsEngine oilChange at least once per year
No Code 7 for 36 monthsBrake fluidReplace every 3 years

Scheduled Maintenance Summary

Since the RDX uses the Maintenance Minder system, always follow your vehicle's displayed codes. The table below shows reference intervals for planning purposes:

ComponentTypical Reference IntervalMaintenance Minder Code
Engine oil & filter7,500-10,000 miles (when Code A/B appears); max 12 monthsA or B
Tire rotation7,500-10,000 miles (with oil change)1
Engine air filter30,000 miles (15,000 miles dusty conditions)2
Cabin air filter15,000-30,000 miles (15,000 miles urban/high‑soot)2
Drive beltInspect with Code 2; replace if worn (60,000-90,000 miles)2
Transmission fluidWhen Code 3 appears (typically 60,000-100,000 miles)3
Spark plugs60,000-100,000 miles (when Code 4 appears)4
Valve clearanceWith Code 4; adjust only if noisy4
Engine coolant~60,000-120,000 miles (when Code 5 appears)5
Brake fluidEvery 3 years (independent of codes)7
Rear differential fluidNOT APPLICABLE – FWD only6 (N/A)
Timing beltNOT REQUIRED (timing chain engine)N/A

Long‑Term Ownership Summary for 2023 RDX FWD

  • No timing belt replacement EVER – your RDX has a timing chain. The K20C4 engine uses a timing chain designed to last the lifetime of the engine with proper oil maintenance . This eliminates the expensive timing belt service required on older Acura V6 models. Code 4 covers only spark plugs and valve clearance. The Dayco 95329 timing belt is for 2013-2018 RDX V6, NOT your 2023 RDX .
  • Take advantage of the Acura Maintenance Package. Your 2023 RDX includes 2 years/24,000 miles of complimentary select factory-scheduled maintenance at participating Acura dealerships .
  • Brake fluid must be replaced every 3 years regardless of mileage — track this independently .
  • FWD means lower maintenance costs. Your RDX has no rear differential and no transfer case. This eliminates differential fluid changes and transfer case services. Ignore Code 6 (rear differential fluid) .
  • Follow the Maintenance Minder, but respect time‑based intervals. The system adapts to your driving habits. However, note that brake fluid is due every 3 years regardless .
  • Premium fuel is recommended for optimal performance. The 2.0L turbo engine is designed for 91 octane or higher. The FWD model achieves 22 mpg city / 28 mpg highway / 24 mpg combined .
  • Check your fluid levels monthly. The Owner's Manual requires checking brake fluid level and tire pressure monthly .
  • You can service your RDX at independent shops without voiding the warranty. Acura states that dealer service is not mandatory to keep your warranties in effect . Keep all receipts as proof of completion.
  • Use Acura‑specified or approved fluids:
  • Engine oil: SAE 0W‑20 synthetic
  • Transmission: Acura ATF-type 2.0/3.1
  • Coolant: Honda Type 2 blue only
  • Brake fluid: Honda DOT 3 only
  • Keep maintenance records. Save all receipts, especially for major services (transmission fluid). These records add value if you sell the vehicle.
  • The official 2023 Acura RDX Owner's Manual is the final authority. A printed copy (Part #31TJB640) is available from Helm Inc. for $50.00 . Free PDF versions are available online through resources like OwnersManuals2.com and Auto User Guide . If there is a discrepancy between this guide and your vehicle's display, follow the vehicle.

Maintenance questions

2023 Acura RDX FWD FAQs

Does the 2023 Acura RDX have a timing belt or a timing chain?+

It has a timing chain. The 2.0L turbo 4‑cylinder engine (K20C4) uses a timing chain, not a belt. Timing chain replacement is not required as a scheduled maintenance item . The Dayco 95329 timing belt is for Acura RDX 2013-2018 with V6 engine – NOT for the 2023 RDX . Code 4 descriptions that include "replace timing belt" apply only to Acura V6 models—this does NOT apply to your 2023 RDX .

How often should I change the oil in my 2023 RDX FWD?+

Follow the Maintenance Minder system. When code A or B appears (when oil life reaches 15%), service is due. If no service message appears within 12 months after reset, change the oil at least once per year . Use SAE 0W‑20 premium-grade synthetic oil. Under normal driving, intervals range from 7,500-10,000 miles .

What is the Acura Maintenance Package for the 2023 RDX?+

The 2023 RDX includes a complimentary Acura Maintenance Package covering 2 years or 24,000 miles (whichever comes first) of select factory-scheduled maintenance, including standard oil and filter changes, tire rotations, and multi-point inspections when performed at a participating Acura dealership .

How often should the brake fluid be replaced?+

Every 3 years, independent of the Maintenance Minder. If Code 7 does not appear within 36 months after reset, replace the brake fluid at that time . Use Acura Heavy Duty Brake Fluid DOT 3. A complete system flush is required — topping off the reservoir is not sufficient.

Does the FWD model require rear differential fluid changes?+

No. Code 6 (replace rear differential fluid) applies only to AWD models . Your FWD model has no rear differential and can ignore this code.

How often should I change the transmission fluid?+

Follow Maintenance Minder code 3 . The typical interval is approximately 60,000-100,000 miles. Use Acura ATF-type 2.0/3.1 only. Your FWD model has no transfer case – only the transmission requires service .

How do I reset the Maintenance Minder after an oil change?+

Set power mode to ON, navigate to the Maintenance Minder screen using the right selector wheel, press and hold for about 10 seconds to enter reset mode, select "Reset" or "All due items," and press to confirm .

What do the Maintenance Minder codes mean?+
  • A: Replace engine oil
  • B: Replace engine oil and filter + comprehensive inspections
  • 1: Rotate tires
  • 2: Air filters + drive belt inspection
  • 3: Transmission fluid (FWD: transmission only)
  • 4: Spark plugs + valve clearance (timing belt does NOT apply to 2023 RDX)
  • 5: Engine coolant
  • 6: Rear differential fluid (NOT APPLICABLE – FWD)
  • 7: Brake fluid (every 3 years)
What type of fuel does the 2023 RDX FWD require?+

Premium unleaded gasoline with an octane rating of 91 or higher is recommended for optimal performance. The FWD EPA ratings are 22 mpg city / 28 mpg highway / 24 mpg combined .

How often should I check my tire pressure?+

Check tire pressure monthly, including the spare, and examine the tread for wear and foreign objects . The TPMS will alert you to significant under‑inflation but is not a substitute for regular manual checks.

How often should the engine coolant be replaced?+

Follow Maintenance Minder code 5 . The reference interval is approximately 60,000-120,000 miles, but the minder will determine exact timing based on your driving conditions.

Can I take my RDX to an independent shop for maintenance without voiding the warranty?+

Yes. Acura states that service at a dealer is not mandatory to keep your warranties in effect . Maintenance may be done by any qualified automotive repair establishment. Keep all receipts as proof of completion.

How often should the valves be adjusted?+

Adjust the valves only if they are noisy during services A, B, 1, 2, or 3 . The K20C4 engine uses mechanical lifters; many Acura specialists recommend checking clearances at major service intervals regardless of noise, especially on turbocharged engines.

How much does timing belt replacement cost for a 2023 RDX?+

There is no timing belt to replace. Your 2023 RDX has a timing chain, which does not require scheduled replacement . If a shop recommends a "timing belt service" for your 2023 RDX, they are mistaken – this vehicle has a timing chain.

Where can I find the official 2023 Acura RDX Owner's Manual?+

The official printed 2023 Acura RDX Owner's Manual (Part #31TJB640) is available from Helm Inc. for $50.00 . Free PDF versions are available online through resources like OwnersManuals2.com . The OEM manual is the authoritative source for all maintenance information.