598
uuMaintenance Under the Hood uChanging the Engine Oil and Oil Filter
Maintenance
Changing the Engine Oil and Oil Filter
You must change the engine oil and oil f ilter regularly in order to maintain the
engine’s lubrication. The engine may be damaged if they are not changed regularly.
Change the oil and filter in accordance with the maintenance message on the multi-
information display. 1.Run the engine until it reaches normal
operating temperature, and then turn the
engine off.
2. Open the hood and remove the engine oil
fill cap.
3. Remove the slotted head screws by
turning 90° counterclockwise on the
undercarriage and remove the under
cover.
4. Remove the drain bolt and washer from
the bottom of the engine, and drain the
oil into a suitable container.1Changing the Engine Oil and Oil Filter
NOTICE
You may damage the environment if you do not
dispose of the oil in a suitable way. If you are
changing the oil by yourself , appropriately dispose of
the used oil. Put the oil in a sealed container and take
it to a recycling center. Do not throw the oil away
into a garbage can or onto the ground.
Screw
Under Cover
Drain Bolt
Washer
23 ACURA RDX-31TJB6400.book 598 ページ 2022年8月4日 木曜日 午後1時51分
601
uuMaintenance Under the Hood uEngine Coolant
Maintenance
1. Make sure the engine and radiator are
cool.
2. Remove the engine compartment cover.
2 Engine Compartment Cover P. 594
3.Turn the radiator cap 1/8 turn counter-
clockwise and relieve any pressure in the
cooling system.
4. Push down and turn the radiator cap
counterclockwise to remove it.
5. The coolant level should be up to the base
of the filler neck. Add coolant if it is low.
6. Put the radiator cap back on, and tighten it
fully.
■Radiator1Radiator
NOTICE
Pour the fluid slowly and ca refully so you do not spill
any. Clean up any spills immediately; they can
damage components in the engine compartment.
3WARNING
Removing the radiator cap while the
engine is hot can cause the coolant to spray
out, seriously scalding you.
Always let the engine and radiator cool
down before removing the radiator cap.Radiator Cap
23 ACURA RDX-31TJB6400.book 601 ページ 2022年8月4日 木曜日 午後1時51分
607
uuReplacing Light Bulbs uChicaneTM Taillights, Brake and Rear Side Marker Lights
Maintenance
4. Turn the socket counterclockwise and
remove it.
5. Remove the old bulb and insert a new bulb.
ChicaneTM Taillights, Brake a nd Rear Side Marker
Lights
Taillights, brake and rear side marker ligh ts are LED type. Have an authorized Acura
dealer inspect and replace the light assembly.
Bulb
Socket
23 ACURA RDX-31TJB6400.book 607 ページ 2022年8月4日 木曜日 午後1時51分
623
Maintenance
Battery
Checking the Battery
The condition of the battery is monitored by a
sensor located on the negative terminal of the
battery. If there is a problem with this sensor,
the multi-information display will display a
warning message. If this happens, have your
vehicle inspected by a dealer.
Check the battery termi nals for corrosion
monthly.
If your vehicle’s battery is disconnected or goes dead:
• The audio system is disabled.
2 Audio System Theft Protection P. 257
•The clock resets.
2 Clock P. 154
•The immobilizer system needs to be reset.
2 Immobilizer System Indicator P. 99
1Battery
WARNING: Battery post, terminals,
and related accessories contain lead
and lead compounds.
Wash your hands after handling.
When you find corrosion, cl ean the battery terminals
by applying a baking powder and water solution.
Clean the terminals with a damp towel. Cloth/towel
dry the battery. Coat the terminals with grease to
help prevent future corrosion.
When replacing the battery, the replacement must be
of the same specifications.
Consult a dealer for more information.
3WARNING
The battery gives off explosive hydrogen
gas during normal operation.
A spark or flame can cause the battery to
explode with enough force to kill or
seriously hurt you.
When conducting any battery
maintenance, wear prot ective clothing and
a face shield, or have a skilled technician do
it.
Battery
Canadian models only
23 ACURA RDX-31TJB6400.book 623 ページ 2022年8月4日 木曜日 午後1時51分
703
Index
Sequential Shift Mode............................. 457
Shifting ................................................... 451
Average Fuel Economy ............................ 141
AWD ......................................................... 474
B
Battery ...................................................... 623
Charging System Indicator ................ 87, 672
If the Battery Is Dead............................... 667
Maintenance (Checking the Battery) ....... 623
Belts (Seat) .................................................. 37
Beverage Holders ..................................... 235
Blind Spot Information System ............... 479
Bluetooth ® Audio ..................................... 316
Bluetooth ® HandsFreeLink ®................... 389
Booster Seats (For Children) ...................... 76
Brake System ............................................ 545
Anti-lock Brake System (ABS) .................. 553
Automatic Brake Hold ............................. 550
Brake Assist System................................. 554
Fluid ....................................................... 603
Foot Brake .............................................. 549
Indicator ............................... 81, 82, 83, 673
Indicator (Red) ........................................ 675
Parking Brake.......................................... 545
Brightness Control (Instrument Panel) ... 208
Built-in Key ............................................... 157
Bulb Replacement .................................... 605
Chicane
TM Taillights, Bra ke and Rear Side
Marker Lights ........................................ 607 Chicane
TM Taillights/Brak
e and Back-Up
Lights .................................................... 608
Fog Lights ................................................ 605
Front Turn Signal, Parking/Chicane
TM
Daytime Running and Front Side
Marker Lights ...................................... 605
Headlights ............................................... 605
High-Mount Brake Light .......................... 608
Puddle Lights ........................................... 608
Rear License Plate Light ........................... 608
Rear Turn Signal Light Bulbs .................... 606
Side Turn Signal/Em ergency Indicator
Lights .................................................... 605
Bulb Specifications ................................... 690
C
CAMERA Button....................................... 568
Carbon Monoxide Gas ................................ 77
Carrying Cargo .................................. 431, 433
Certification Label .................................... 692
Changing Bulbs ......................................... 605
Charging System Indicator ................. 87, 672
Chicane
TM Daytime Running Lights ......... 200
Child Safety ................................................. 64
Childproof Door Locks ............................. 171
Child Seat .................................................... 64
Booster Seats ............................................. 76
Child Seat for Infants ................................. 66
Child Seat for Small Children ..................... 67 Installing a Child Seat
with a Lap/Shoulder
Seat Belt .................................................. 71
Larger Children ......................................... 75
Rear-facing Child Seat ............................... 66
Selecting a Child Seat ................................ 68
Childproof Door Locks ............................. 171
Cleaning the Exterior ............................... 632
Cleaning the Interior ................................ 629
Client Service Information ....................... 701
Climate Control System ............................ 247
Changing the Mode ................................ 247
Defrosting the Windshield and Windows ............................................... 249
Dust and Pollen Filter............................... 628
Rear Temperature Control Dial ................ 251
Recirculation/Fresh Air Mode ................... 247
Sensors ................................................... 252
Synchronized Mode................................. 250
Using Automatic Climate Control ............ 247
Clock .......................................................... 154
CMBS
TM (Collision Mitigation Braking
SystemTM) ................................................. 486
Coat Hook ................................................. 237
Collision Mitigation Braking System
TM
(CMBSTM) ................................................. 486
Compact Spare Tire .......................... 641, 691
Console Compartment ............................. 234
Controls ..................................................... 153
23 ACURA RDX-31TJB6400.book 703 ページ 2022年8月4日 木曜日 午後1時51分
708
Index
Parking Brake and Brake System Indicator (Red) ............................ 81, 82, 675
Parking Sensor System .............................. 557
Passenger Airbag Off Indicator ................. 61
Passing Indicators ..................................... 197
Playing Bluetooth ® Audio ........................ 316
Power Tailgate .......................................... 175
Power Windows ........................................ 186
Precautions While Driving ........................ 449
Driving Guidelines for Your Utility Vehicle................................................... 449
Rain ......................................................... 450
Pregnant Women ....................................... 44
Puncture (Tire) .................................. 641, 649
R
Radar Sensor............................................. 543
Radiator ..................................................... 601
Radio (AM/FM) .......................................... 293
Radio (SiriusXM ®)...................................... 297
Range ........................................................ 141
Readiness Codes (Emissions Testing) ....... 695
Rear Defogger/Heated Door Mirror
Button ...................................................... 207
Rear Seat Reminder .................................. 224
Rear Seats (Folding Down) ....................... 222
Rear Temperature Control Dial ............... 251
Rearview Mirror ........................................ 213
Refueling ........................................... 575, 688
Fuel Gauge .............................................. 136 Gasoline .......................................... 575, 690
Low Fuel Indicator ..................................... 94
Regulations ............................... 477, 617, 693
Remote Engine Start ................................ 445
Remote Transmitter ................................. 165
Replacement Battery ............................................ 625, 626
Bulbs ....................................................... 605
Fuses ....................................... 678, 681, 682
Rear Wiper Blade Rubber......................... 612
Tires ........................................................ 620
Wiper Blade Rubber ................................ 609
Reporting Safety Defects ......................... 694
Resetting a Trip Meter ............................. 140
Reverse Tilt Door Mirror .......................... 214
Road Departure Mitigation (RDM) ......... 530
On and Off.............................................. 532
S
Safe Driving ................................................ 31
Safety Check ............................................... 36
Safety Labels ............................................... 78
Safety Message ............................................. 3
Safety Support .......................................... 146
Seat Belts .................................................... 37
Adjusting the Shoulder Anchor.................. 43
Automatic Seat Belt Tensioners ................. 41
Checking................................................... 45
Fastening .................................................. 42 Installing a Child Seat
with a Lap/Shoulder
Seat Belt ................................................. 71
Pregnant Women...................................... 44
Reminder .................................................. 39
Warning Indicator ............................... 39, 93
Seat Heaters ............................................. 245
Seat Ventilators ........................................ 245
Seats .......................................................... 216
Adjusting ................................................ 216
Front Seats.............................................. 216
Lumbar Support ...................................... 216
Rear Seats ............................................... 222
Seat Control Interface ............................. 218
Seat Heaters ................................... 245, 246
Ventilators .............................................. 245
Security System ........................................ 183
Immobilizer System Indicator ..................... 99
Security System Alarm Indicator ................ 99
Selecting a Child Seat ................................ 68
Sequential Mode ...................................... 457
Setting the Clock ...................................... 154
SH-AWD ® (Super Handling-All Wheel
Drive
TM) ................................................... 474
Shift Button ........................................ 21, 451
Operation ......................................... 21, 453
Shifting (Transmission) ...................... 21, 451
Shoulder Anchor ........................................ 43
Side Airbags ............................................... 57
Side Curtain Airbags .................................. 59
SiriusXM ® Radio ....................................... 297
Smart Shortcuts ........................................ 278
23 ACURA RDX-31TJB6400.book 708 ページ 2022年8月4日 木曜日 午後1時51分