2018 Acura RDX electric

394
Maintenance
Accessories and Modifications
Accessories
When installing accessories, check the following:
• Do not install accessories on the windsh ield. They can obstruct your view and
delay your reaction to driving conditions.
• Do not install any accessorie s over areas marked SRS Airbag, on the sides or backs
of the front seats, on front or side pillars, or near the side windows.
Accessories installed in these areas may interfere with proper operation of the
vehicle’s airbags or may be propelled into you or another occupant if the airbags
deploy.
• Be sure electronic accessories do not over load electrical circuits or interfere with
proper operation of your vehicle.
2 Fuses P. 426
•Before installing any electronic accessory, have the inst aller contact a dealer for
assistance. If possible, have a d ealer inspect the final installation.
Modifications
Do not modify your vehicle in a manner that may affect its handling, stability, or
reliability, or install non-genuine Acura parts or accessories that may have a similar
effect.
Even minor modifications to vehicle systems can affect overall vehicle performance.
Always make sure all equipment is prop erly installed and maintained, and do not
make any modification to your vehicle or its systems that might cause your vehicle
to no longer meet federal, state, prov ince, territory, and local regulations.
Do not modify or attempt to repair any of the electrical components.
1Accessories and Modifications
Acura Genuine accessori es are recommended to
ensure proper operati on on your vehicle.
3WARNING
Improper accessories or modifications can
affect your vehicle’s handling, stability, and
performance, and cause a crash in which
you can be seriously hurt or killed.
Follow all instruction s in this owner’s
manual regarding accessories and
modifications.

395
Handling the Unexpected
This chapter explains how to handle unexpected troubles.
ToolsTypes of Tools .................................. 396
If a Tire Goes Flat Changing a Flat Tire
*....................... 397
Temporarily Repair ing a Flat Tire*..... 403
Engine Does Not Start Checking the Engine ........................ 414
If the Keyless Access Remote Battery is Weak ............................................. 415
Emergency Engine Stop ................... 416
Jump Starting .................................... 417
Shift Lever Does Not Move .............. 419Overheating
How to Handle Overheating............. 420
Indicator, Coming On/Blinking
If the Low Oil Pressure Indicator Comes On ............................................. 422
If the Charging System Indicator Comes
On ................................................. 422
If the Malfunction Indicator Lamp Comes On or Blinks ................................... 423
If the Brake System Indicator (Red) Comes On .................................................... 424
If the Electric Power Steering (EPS) System
Indicator Comes On............................ 424
If the Low Tire Pressure/TPMS Indicator Comes On or Blinks ....................... 425
Fuses Fuse Locations ................................. 426
Inspecting and Changing Fuses ........ 428
Emergency Towing ........................... 429
When You Cannot Open the Tailgate..... 430
* Not available on all models

417Continued
Handling the Unexpected
Jump Starting
Turn off the power to electric devices, such as audio and lights. Turn off the engine,
then open the hood. 1.Connect the first jumper cable to your
vehicle’s battery + terminal.
2. Connect the other end of the first jumper
cable to the booster battery + terminal.
u Use a 12-volt booster battery only.
3. Connect the second ju mper cable to the
booster battery - terminal.
4. Connect the other end of the second
jumper cable to the engine hanger as
shown. Do not connect this jumper cable to
any other part.
5. If your vehicle is connected to another
vehicle, start the assisting vehicle’s engine
and increase its rpm slightly.
6. Attempt to start your ve hicle’s engine. If it
turns over slowly, check that the jumper
cables have good metal-to-metal contact.
■Jump Starting Procedure1 Jump Starting
Securely attach the jumper cables clips so that they
do not come off when the e ngine vibrates. Also be
careful not to tangle the ju mper cables or allow the
cable ends to touch each other while attaching or
detaching the jumper cables.
Battery performance degrades in cold conditions and
may prevent the engi ne from starting.
3WARNING
A battery can explode if you do not follow
the correct procedure, seriously injuring
anyone nearby.
Keep all sparks, open flames, and smoking
materials away from the battery.
Booster Battery

422
Handling the Unexpected
Indicator, Coming On/Blinking
If the Low Oil Pressure Indicator Comes On
■Reasons for the indicator to come on
Comes on when the engine oil pressure is low.
■What to do as soon as the indicator comes on
1. Immediately park the vehicle in a safe place.
2. If necessary, turn the ha zard warning lights on.
■What to do after parking the vehicle
1. Stop the engine and let it sit for about one minute.
2. Open the hood and check the oil level.
u Add oil as necessary.
3. Start the engine and check the low oil pressure indicator.
u The indicator goes off: Start driving again.
u The indicator does not go off within 10 seconds: Stop the
engine and contact a dealer for repairs immediately.
If the Charging System Indicator Comes On
■Reasons for the indicator to come on
Comes on when the battery is not being charged.
■What to do when the indicator comes on
Turn off the climate con trol system, rear defogger, and other electrical
systems, and immediately contact a dealer for repairs.
1 If the Low Oil Pressure Indicator Comes On
NOTICE
Running the engine with low oil pressure can cause
serious mechanical damage almost immediately.
1If the Charging System Indicator Comes On
If you need to stop temporarily, do not turn off the
engine. Restarting the engi ne may rapidly discharge
the battery.

424
uuIndicator, Coming On/Blinking uIf the Brake System Indicator (Red) Comes On
Handling the Unexpected
If the Brake System Indicator (Red) Comes On
■Reasons for the indicator to come on
• The brake fluid is low.
• There is a malfunction in the brake system.
■What to do when the indicator comes on while driving
Press the brake pedal lightly to check pedal pressure.
• If normal, check the brake fluid level the next time you stop.
• If abnormal, take immediate action . If necessary, downshift the
transmission to slow the vehicle using engine braking.
If the Electric Power Steeri ng (EPS) System Indicator
Comes On
■Reasons for the indicator to come on
• Comes on when there is a problem with EPS system.
• If you depress the accelerator pedal repeatedly to increase the engine
speed while the engine is idlin g, the indicator comes on, and
sometimes the steering wheel becomes harder to operate.
■What to do when the indicator comes on
Stop the vehicle in a safe place and restart the engine.
If the indicator comes on and stays on, immediately have your vehicle
inspected by a dealer.
1 If the Brake System Indicator (Red) Comes On
Have your vehicle re paired immediately.
It is dangerous to drive with low brake fluid. If there
is no resistance from the brake pedal, stop
immediately in a safe plac e. If necessary downshift
the gears.
If the brake system indicator and ABS indicator come
on simultaneously, the elec tronic brake distribution
system is not working. Th is can result in vehicle
instability under sudden braking.
Have your vehicle inspecte d by a dealer immediately.U.S.
Canada

426
Handling the Unexpected
Fuses
Fuse Locations
If any electrical devices are not working, set
the power mode to VEHICLE OFF (LOCK)
and check to see if any applicable fuse is
blown.
Fuse locations are shown on the fuse box
cover. Locate the fuse in question by the
fuse number and box cover number.
Located near the brake fluid reservoir. Push
the tabs to open the box.
■Engine Compartment Fuse Box
Tab
■Circuit protected and fuse rating
Circuit ProtectedAmps
1
EPS70 A
Power Tailgate Motor(40 A)
ABS/VSA FSR20 A
ABS/VSA Motor40 A
E-DPS(30 A)
Main Fuse120 A
2
−50 A
Fuse Box Main 1 60 A
Fuse Box Main 260 A
IG Main 50 A
Headlight Washer*(30 A)
Sub Fan Motor 30 A Rear Defogger 40 A
Main Fan Motor 30 A Headlight Main 30 A Blower 40 A
3
ST CUT140 A
IG Main130 A
Sub Fuse Main(40 A)
IG Main230 A
4 Rear Seat Heaters*(20 A)
5STR Diagnosis Fuse7.5 A
6Audio (ODMD)*(15 A)
7−−
8− −
9−−
10 − −
11Oil Level7.5 A
12 Fog Lights*(20 A)
13Power Tailgate Closer(20 A)
14 Hazard 10 A
15IGP215 A
16 IG Coil 15 A
17Stop10 A
18 Horn 10 A
19ACM20 A
20 Right Headlight Low Beam 15 A
21MG Clutch7.5 A
22 DBW 15 A
23Left Headlight Low Beam15 A
24 DRL (10 A)
25FI Main15 A
26 Trailer (20 A)
27Small20 A
28 Interior Lights 7.5 A
29Back Up10 A
Circuit ProtectedAmps
* Not available on all models

428
uuFuses uInspecting and Changing Fuses
Handling the Unexpected
Inspecting and Changing Fuses
1. Set the power mode to VEHICLE OFF
(LOCK). Turn headlight s and all accessories
off.
2. Remove the fuse box cover.
3. Check the large fuse in the engine
compartment.
u If the fuse is blown, use a Phillips-head
screwdriver to remo ve the screw and
replace it with a new one.
4. Inspect the small fuses in the engine
compartment and the vehicle interior.
u If there is a burned out fuse, remove it
with the fuse puller and replace it with a
new one.1Inspecting and Changing Fuses
NOTICE
Replacing a fuse with on e that has a higher rating
greatly increases the chances of damaging the
electrical system.
Replace fuse with a spare fuse of the same specified
amperage
Confirm the specified amperage using the charts on
P. 426 to P. 427.
There is a fuse puller on the back of the engine
compartment fuse box cover.
Combined
Fuse Blown Fuse
Fuse Puller

445
Index
Display Button.......................................... 193
Door Mirrors ............................................. 162
Doors ........................................................ 121
Auto Door Locking.................................. 132
Auto Door Unlocking .............................. 132
Door and Tailgate Open Indicator ............. 74
Door and Tailgate Open Message ............. 89
Keys........................................................ 121
Locking/Unlocking the Doors from the Inside...................................... 130
Locking/Unlocking the Doors
from the Outside................................... 125
Lockout Prevention System ..................... 128
DOT Tire Quality Grading ........................ 379
Driving ...................................................... 257
Automatic Transmission .......................... 276
Braking ................................................... 320
Cruise Control ........................................ 281
Off-Highway Driving Guidelines .............. 268
Shifting Gear .......................................... 277
Starting the Engine ................................. 270
Driving Position Memory System ............ 158
Dust and Pollen Filter .............................. 388
E
Elapsed Time............................................ 101
Electric Power Steering (EPS) System Indicator ........................................... 74, 424
Electronic Stability Control (ESC) ............ 311
Emergency ................................................ 429 Emissions Testing (Readiness Codes)
....... 437
Engine ....................................................... 434
Coolant ................................................... 360
Jump Starting .......................................... 417
Oil ........................................................... 355
Remote Engine Start ................................ 272
Starting ................................................... 270
Engine Coolant ......................................... 360
Adding to the Radiator ............................ 361
Adding to the Reserve Tank ..................... 360
Overheating ............................................ 420
Temperature Gauge .................................. 95
Engine Oil ................................................. 355
Adding .................................................... 357
Checking ................................................. 356
Displaying Oil Life .................................... 349
Low Oil Pressure Indicator .................. 69, 422
Recommended Engine Oil ........................ 355
ENGINE START/STOP Button .................... 146
EPS (Electric Power Steering) System ............................................... 74, 424
Exhaust Gas Hazard
(Carbon Monoxide) .................................. 64
Exterior Care (Cleaning) ........................... 391
Exterior Mirrors ........................................ 162
F
Features.................................................... 187
Filters Dust and Pollen ....................................... 388
Oil ........................................................... 358
Flat Tire ............................................. 397, 403
Floor Mats ................................................. 390
Fluids
Automatic Transmission .......................... 362
Brake ...................................................... 363
Engine Coolant ....................................... 360
Windshield Washer ................................. 364
Fog Light Indicator ..................................... 76
Folding Down the Rear Seats .................. 169
Foot Brake ................................................ 321
Front Airbags (SRS) ..................................... 42
Front Seats ................................................ 164
Adjusting ................................................ 164
Front Sensor Camera ................................ 284
Fuel ...................................................... 17, 341
Economy ................................................. 343
Gauge ....................................................... 95
Instant Fuel Economy .............................. 100
Low Fuel Indicator ..................................... 71
Range ..................................................... 101
Recommendation .................................... 341
Refueling................................................. 341
Fuel Economy ........................................... 343
Fuel Fill Cap ........................................ 17, 342
Message.................................................. 423
Fuel Fill Door ...................................... 17, 342