2018 Acura RDX electrical

315
uuWhen Driving uBlind spot information (BSI) System*
Driving
1Blind spot inform ation (BSI) System*
BSI may be adversel y affected when:•Objects (guard rails, poles, trees, etc.) are detected.
•An object that does not re flect radio waves well,
such as a motorcycle, is in the alert zone.
•Driving on a curved road.
•A vehicle is moving from a far lane to the adjacent
lane.
•The system picks up external electrical interference.
•The rear bumper or the sens ors have been improperly
repaired or the rear bu mper has been deformed.
•The orientation of the sensors has been changed.
•In bad weather (Heavy rain, snow, and fog).
For a proper BSI use:
•Always keep the rear bumper corner area clean.
•Do not cover the rear bumper corner area with
labels or sticke rs of any kind.
•Take your vehicle to a dealer if you need the rear
bumper corner area or th e radar sensors to be
repaired, or the rear bumper corner area is strongly
impacted.
* Not available on all models

385
Maintenance
Battery
Checking the Battery
Check the battery terminals for corrosion monthly.
If your vehicle’s battery is disconnected or goes dead:
• The audio system is disabled.
2 Reactivating the audio system P. 190
•The clock resets.
2 Setting the Clock P. 120
•The navigation system* is disabled.
2 Refer to navigation system manual
Charging the Battery
Disconnect both battery cables to prevent damaging your vehicle’s electrical system.
Always disconnect the negative (–) cable first, and reconnect it last.
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.
Rinse the terminals with water. 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.
Please 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.
* Not available on all models

389Continued
Maintenance
Cleaning
Interior Care
Use a damp cloth with a mixture of mild detergent and warm water to remove dirt.
Use a clean cloth to remove detergent residue.
Use a soft brush with a mixture of mild soap and warm water to clean the seat belts.
Let the belts air dry. Wipe the openings of the seat belt anchors using a clean cloth.
Wipe using a glass cleaner.
■Cleaning Seat Belts
1 Interior Care
Do not spill liquids inside the vehicle.
Electrical devices and systems may malfunction if
liquids are splashed on them.
Do not use silicone based sp rays on electrical devices
such as audio devices and switches.
Doing so may cause the items to malfunction or a fire
inside the vehicle.
If a silicone based spray is inadvertently used on
electrical devices, consult a dealer.
Depending on their compos ition, chemicals and
liquid aromatics may cause discoloration, wrinkles,
and cracking to resin-ba sed parts and textiles.
Do not use alkali solvents or organic solvents such as
benzene or gasoline.
After using chemical s, make sure to gently wipe them
off using a dry cloth.
Do not place used cloths on top of resin based parts
or textiles for long periods of time without washing.
Opening
■Cleaning the Window1Cleaning the Window
Wires are mounted to the in side of the rear window.
Wipe along the same direct ion as the wires with a
soft cloth so as not to damage them.

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.

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.

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