check engine ACURA RDX 2023 Owners Manual

Contents
This owner’s manual should be considered a permanent part of the
vehicle and should remain with the vehicle when it is sold.
The Navigation Manual is available online at owners.acura.com
(U.S.) or acura.ca (Canada). If you are the firs t registered owner
of your vehicle, you may request a complimentary printed
copy of the Navigation Manual within the first six months of
vehicle purchase. To request a copy, visit owners.acura.com. In
Canada, please request a copy from your Acura dealer.
This owner’s manual covers all models of your vehicle. You may find
descriptions of equipment and features that are not on your
particular model.
Images throughout this owner’s ma nual (including the front cover)
represent features and equipment that are available on some, but
not all, models. Your particular mo del may not have some of these
features.
This owner’s manual is for vehicles sold in the United States and
Canada.
The information and specifications in cluded in this publication were
in effect at the time of approval for printing. Honda Motor Co., Ltd.
reserves the right, however, to discontinue or change specifications
or design at any time without notice and without incurring any
obligation.2 Safe Driving P. 31
For Safe Driving P. 32 Seat Belts P. 37 Airbags P. 46
2Instrument Panel P. 79
Indicators P. 80 Gauges and Displays P. 136
2Controls P. 153
Clock P. 154 Locking and Unlocking the Doors P. 156
Panoramic Roof P. 189
Seats P. 216
2 Features P. 253
Audio System P. 254 Audio System Basic Operation P. 260
Customized Features P. 359 HomeLink® Universal Transceiver P. 386
2 Driving P. 429
Before Driving P. 430 Towing a Trailer P. 435
Braking P. 545Parking Your Vehicle P. 555
Fuel Economy and CO2 Emissions P. 578 Turbo Engine Vehicle P. 579
2 Maintenance P. 581
Before Performing Maintenance P. 582 Maintenance MinderTM P. 585
Checking and Maintaining Wiper Blades P. 609
Climate Control System Main tenance P. 627 Cleaning P. 629
2Handling the Unexpected P. 639
Tools P. 640 If a Tire Goes Flat P. 641
Overheating P. 669 Indicator, Coming On/Blinking P. 671
If You Cannot Unlock the Fuel Fill Door P. 686
2 Information P. 689
Specifications P. 690 Identification Numbers P. 692
Warranty Coverages P. 697 Authorized Manuals P. 700
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Contents
Child Safety P. 64Exhaust Gas Hazard P. 77Safety Labels P. 78
Tailgate P. 173 Security System P. 183 Windows P. 186
Operating the Switches Around the Steering Wheel P. 193 Mirrors P. 213
Interior Convenience Items P. 230 Climate Control System P. 247
Audio Error Messages P. 332General Information on the Audio System P. 336
Bluetooth ® HandsFreeLink ® P. 389 AcuraLink ® P. 419
Off-Highway Driving Guidelines P. 441 When Driving P. 443 AcuraWatchTM P. 483
Multi-View Rear Camera* P. 565 Surround View Camera System*P. 567 Refueling P. 575
Maintenance Under the Hood P. 592 Replacing Light Bulbs P. 605
Checking and Maintaining Tires P. 614 Battery P. 623 Remote Transmitter Care P. 625
Accessories and Modifications P. 636
Handling of the Jack P. 663 Engine Does Not Start P. 664If the Battery Is Dead P. 667
Fuses P. 678 Emergency Towing P. 685
If You Cannot Open the Tailgate P. 687 Refueling P. 688
Devices that Emit Radio Waves P. 693 Reporting Safety Defects P. 694 Emissions Testing P. 695
Client Service Information P. 701
Quick Reference GuideP. 6
Safe DrivingP. 31
Instrument PanelP. 79
ControlsP. 153
FeaturesP. 253
DrivingP. 429
MaintenanceP. 581
Handling the UnexpectedP. 639
InformationP. 689
IndexP. 702
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12
Quick Reference Guide
Safe Driving (P 31)
Airbags (P 46)
●Your vehicle is fitted with airbags to help protect you and
your passengers during a moderate-to-severe collision.
Child Safety (P 64)
●All children 12 and younger should be seated in the rear seat.●Smaller children should be properly restra ined in a forward-facing child seat.●Infants must be properly restrained in a rear-facing child seat.
Exhaust Gas Hazard (P 77)
●Your vehicle emits dangerous exhaust gases that contain carbon
monoxide. Do not run the engine in confined spaces where carbon
monoxide gas can accumulate.
Before Driving Checklist (P 36)
●Before driving, check that the front seats, head restraints,
steering wheel, and mirrors have been properly adjusted.
Seat Belts (P 37)
●Fasten your seat belt and sit upright well
back in the seat.
●Check that your passengers are wearing
their seat belts correctly.
Fasten your lap belt as
low as possible.
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26
Quick Reference Guide
Maintenance (P 581)
Under the Hood (P 592)
●Check engine oil, engine coolant, and windshield washer
fluid. Add when necessary.
●Check brake fluid.●Check the battery condition monthly.
aPull the hood release handle under the corner of the
dashboard.
bLocate the hood latch lever, push it to the side, and then
raise the hood. Once you have raised the hood slightly, you
can release the lever.
cWhen finished, close the hood and make sure it is firmly
locked in place.
Lights (P 605)
●Inspect all lights regularly.
Wiper Blades (P 609)
●Replace blades if they leave streaks
across the windshield or become
noisy.
Tires (P 614)
●Inspect tires and wheels regularly.●Check tire pressures regularly.●Install snow tires for winter
driving.
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Quick Reference Guide
27
Handling the Unexpected (P 639)
Flat Tire (P 641)
●Park in a safe location and repair the flat
tire using the tire repair kit.
●Park in a safe location and replace the
flat tire with the compact spare tire
located under the cargo area.
Indicators Come On (P 671)
●Identify the indicator and consult the
owner’s manual.
Vehicles with tire repair kit
Vehicles with a compact spare tire
Engine Won’t Start (P 664)
●If the battery is dead, jump start using a
booster battery.
Blown Fuse (P 678)
●Check for a blown fuse if an electrical
device does not operate.
Overheating (P 669)
●Park in a safe location. If you do not see
steam under the hood, open the hood,
and let the engine cool down.
Emergency Towing (P 685)
●Call a professional towing service if you
need to tow your vehicle.
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30
Quick Reference Guide
Why does the gear position
automatically change to
(P
when I open the driver’s
door to check for parking
space lines when
reversing?
●Fasten the driver’s seat belt.
●Close the driver’s door and manually change the gear
position.
2 When opening the driver’s door (P454)
Why do I hear a screeching
sound when I apply the
brake pedal?The brake pads may need to be replaced. Have your vehicle
inspected by a dealer.
Unleaded gasoline with a
Pump Octane Number
(PON) of 91 or higher is
recommended.
Is it possible to use
unleaded gasoline with a
Pump Octane Number
(PON) of 87 or lower on
this vehicle?Use of a lower octane gasoline can cause occasional metallic
knocking noise in the engine and will result in decreased engine
performance.
Use of a gasoline with a pump octane less than 87 can lead to
engine damage.
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80
Instrument Panel
Indicators
M (sequential mode)
Indicator/Gear
Selection Indicator P. 87
Parking Brake and
Brake System
Indicator (Red)
Parking Brake and
Brake System
Indicator (Amber)
U.S.
Canada
U.S.
Canada Automatic Brake
Hold System Indicator
Automatic Brake Hold
IndicatorU.S.
Canada
*1 : When you set the power mode to ON, these indicators come on to indicate that system checks are being performed. They go off a few seconds later or after the engine
has started. If an indicator does not come on or turn off, ther e may be a malfunction in the corresponding system. To resolve the issue, follow the instructions in the
owner's manual.
 P. 81*1
Malfunction Indicator
Lamp
Charging System
Indicator
Anti-lock Brake System
(ABS ) Indicator
Seat Belt Reminder
Indicator
Low Fuel Indicator
(Amber)
Vehicle Stability AssistTM
(VSA®) System Indicator
Vehicle Stability Assist
TM
(VSA®) OFF Indicator
Supplemental Restraint
System Indicator
Auto High-Beam
Indicator
Low Tire Pressure/TPMS
Indicator Electric Power Steering
(EPS) System Indicator
Turn Signal and Hazard
Warning Indicators
Lights On Indicator
High Beam Indicator
Fog Light Indicator*
Maintenance Minder
Indicator
System Message Indicator

P. 83
 P. 85
 P. 85
 P. 86
 P. 87*1 *1

P. 97
*1
*1
Gear Position Indicator P. 87
Transmission System
Indicator P. 88
 P. 93
 P. 94 
P. 94
 P. 95
 P. 98

P. 96
*1
*1
*1
 P. 96
*1 P. 95
 P. 98
*1
 P. 98
 P. 98
 P. 101

P. 98
Immobilizer System
Indicator P. 99
Security System Alarm
Indicator  P. 99
 P. 100
*1
*1 *1
Super Handling-All Wheel
DriveTM ( SH-AWD ®)
System Indicator* P. 101*1
Cruise Mode Indicator
(White/Green) P. 101
Auto Idle Stop Suspend
Indicator
Auto Idle Stop System
Indicator (Amber)
Auto Idle Stop Indicator
(Green) P. 90
 P. 90
 P. 90
Adaptive Cruise Control
(ACC) with Low Speed
Follow Indicator (Amber)
Auto Idle Stop OFF
Indicator  P. 90
 P. 102
 P. 102
 P. 102
 P. 102
 P. 103
 P. 106
Adaptive Cruise Control
(ACC) with Low Speed
Follow Indicator (White/
Green)
Lane Keeping Assist System
(LKAS) Indicator (Amber)
Lane Keeping Assist System
(LKAS) Indicator (White/
Green)
Safety Support Indicator
(Amber)
Safety Support Indicator
(Green/Gray)
*1
*1
*1
*1
*1
* Not available on all models
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86
uuIndicators u
Instrument Panel
IndicatorNameOn/BlinkingExplanationMessage
Malfunction
Indicator Lamp
•After you have set the power mode
to ON, the vehicle performs system
checks. However, if the readiness
codes have not been set by that
time, this indicator will blink five
times and then go off.• Readiness codes are part of the on-board
diagnostics for the emissions control
systems.
2 Testing of Readiness Codes P. 695
●Comes on if there is a problem with
the emissions control systems.
●Blinks when a misfire in the engine’s
cylinders is detected.
2 If the Malfunction Indicator Lamp
Comes On or Blinks P. 672
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90
uuIndicators u
Instrument Panel
IndicatorNameOn/BlinkingExplanationMessage
Auto Idle Stop
Indicator
(Green)●Comes on when Auto Idle Stop is in
operation. The engine automatically
shuts off.
2Auto Idle Stop P. 464—
Auto Idle Stop
OFF Indicator
●Comes on when the Auto Idle Stop
system has been turned off by the
Auto Idle Stop system OFF button.
2Auto Idle Stop System ON/OFF P. 466
Auto Idle Stop
System
Indicator
(Amber)
●Blinks if there is a problem with the
Auto Idle Stop system.●Blinks - Have your vehicle checked by a
dealer.
Auto Idle Stop
Suspend
Indicator
●Comes on while Auto Idle Stop is
temporarily suspended in the
following situations.
——
- Brake pedal is not fully pressed●Depress the brake pedal firmly.
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99
uuIndicators u
Continued
Instrument Panel
IndicatorNameOn/BlinkingExplanationMessage
Immobilizer
System
Indicator
•Blinks if the immobilizer system
cannot recognize the key
information.•Blinks - You cannot start the engine. Set
the power mode to VEHICLE OFF, then
select the ON mode again.
Depress and hold the brake pedal before
setting the power mode to ON.
• Repeatedly blinks - The system may be
malfunctioning. Have your vehicle
checked by a dealer.
• Do not attempt to alter this system or add
other devices to it. Electrical problems can
occur.
Security System
Alarm Indicator
•Blinks when the security system
alarm has been set.
2 Security System Alarm P. 183—
Indicator
Canadian models
Canadian models
Canadian models
Indicator
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