2018 Acura RDX Replacing keyless battery

88
uuIndicators uMulti-Information Display Warn ing and Information Messages
Instrument Panel
*1:On the left: Models without full color display
On the right: Models with full color display
Message*1ConditionExplanation
●Appears when the keyless access remote
battery becomes weak.●Replace the battery as soon as possible.
2Replacing the Button Battery P. 386
●Appears if the keyless access remote’s battery
is too weak to start the engine or the key is
not with you when starting the engine. A
beeper sounds six times.2 If the Keyless Access Remote Battery is
Weak P. 415

121Continued
Controls
Locking and Unlocking the Doors
Key Types and Functions
This vehicle comes with the following keys:
Use the keyless access remote to start and
stop the engine, and to lock and unlock all the
doors and tailgate. You can also use the
keyless access system to lock and unlock the
doors and tailgate.
■Keys
1Key Types and Functions
All of the keys have an immobilizer system. The
immobilizer system helps to protect against vehicle
theft. 2 Immobilizer System P. 139
The keys contain precision electronics.
Adhere to the following advi ce to prevent damage to
the electronics:
•Do not leave the keys in direct sunlight, or in
locations with high temperature or high humidity.
•Do not drop the keys or set heavy objects on them.
•Keep the keys away from liquids.
•Do not take the keys apart except for replacing the
battery.
If the circuits in the keys are damaged, the engine
may not start, and the keyless access system may not
work.
If the keys do not work properly, have them
inspected by a dealer.
You can remotely start the engine using the two-way
keyless access remote.
2 Remote Engine Start with Vehicle
Feedback
* P. 272
Models with two-way keyless access remote
HOLD
HOLD
Models without two-way keyless
access remote
Models with two-way keyless
access remote
* Not available on all models

386
Maintenance
Remote Transmitter Care
Replacing the Button Battery
If the indicator does not come on when th e button is pressed, replace the battery.
1. Remove the built-in key.
2. Remove the upper half by carefully prying
on the edge with a coin.
u Wrap a coin with a cloth to prevent
scratching the transmitter.
3. Make sure to replace the battery with the
correct polarity.
1 Replacing the Button Battery
NOTICE
An improperly disposed of battery can damage the
environment. Always conf irm local regulations for
battery disposal.
Replacement batteries are commercially available or
at a dealer.
Models without two-way keyless access remote
Battery type: CR2032
Battery

387
uuRemote Transmitter Care uReplacing the Button Battery
Maintenance
If the indicator does not come on when the button is pressed, replace the battery.
1. Remove the built-in key.
u As a convenience, lightly place masking
tape over the remote buttons to hold
them in place.
2. Remove the upper half by carefully prying
on the edge with a coin.
u Wrap a coin with a cloth to prevent
scratching the transmitter.
3. Press down on the center of the assembly
and remove the battery.
u When removing the button battery, be
careful not to touch parts around it.
4. Make sure to replace the battery with the
correct polarity.
Models with two-way keyless access remote1Replacing the Button Battery
NOTICE
The Remote transmitter is equipped with two
batteries: A standard replaceable CR2032 coin
button battery and an in tegral non-replaceable
rechargeable battery. To prevent permanent damage
to the rechargeable battery, replace the CR2032
battery every three to four years.
Models with two-way keyless access remote
Battery type: CR2032
Battery

447
Index
System Message ....................................... 77
Transmission ............................................. 70
Turn Signal ............................................... 75
Vehicle Stability Assist (VSA®)
System ............................................ 73, 311
VSA ® OFF.......................................... 73, 312
Information .............................................. 431
Instrument Panel ........................................ 67
Brightness Control .................................. 156
Interior Lights ........................................... 171
Interior Rearview Mirror ......................... 161
iPod ®......................................................... 207
J
Jack (Wheel Nut Wrench) ........................ 400
Jump Starting ........................................... 417
K
Key Number Tag ...................................... 123
Keyless Access System .............................. 125
Keyless Lockout Prevention ..................... 128
Keys ........................................................... 121
Lockout Prevention ................................. 128
Number Tag............................................ 123
Rear Door Won’t Open ........................... 131
Remote Transmitter ................................ 127
Two-way Keyless Access
Remote ................................. 121, 129, 272
Types and Functions................................ 121 Kickdown (Automatic Transmission)
....... 276
L
Lane Departure Warning (LDW).............. 299
Lane Keeping Assist System (LKAS) ......... 303
Language (HFL) ......................................... 227
LATCH (Child Seats) .............................. 57, 60
LDW (Lane Departure Warning) .............. 299
Lights ................................................. 149, 365
Automatic ............................................... 150
Bulb Replacement .................................... 365
Daytime Running Lights ........................... 152
Fog Lights ................................................ 152
High Beam Indicator .................................. 75
Interior .................................................... 171
Light Switches ......................................... 149
Lights On Indicator .................................... 76
Turn Signals and Hazard Warning ............ 149
Load Limits ................................................ 261
Locking/Unlocking .................................... 121
Auto Door Locking/Unlocking .................. 132
Childproof Door Locks ............................. 131
From Inside .............................................. 130
From Outside ........................................... 125
Keys ........................................................ 121
Using a Key ............................................. 128
Lockout Prevention System ...................... 128
Low Battery Charge .................................. 422
Low Fuel Indicator ...................................... 71
Low Oil Pressure Indicator ................. 69, 422Lower Anchors
...................................... 57, 60
Luggage (Maximum Load Limit) ............. 261
Lumbar Support ....................................... 164M
Maintenance............................................. 345
Battery .................................................... 385
Brake Fluid .............................................. 363
Cleaning ................................................. 389
Climate Control System ........................... 388
Coolant ................................................... 360
Maintenance Minder
TM............................ 349
Oil ........................................................... 356
Precautions ............................................. 346
Radiator .................................................. 361
Remote Transmitter ......................... 386, 387
Replacing Light Bulbs .............................. 365
Safety...................................................... 347
Service Items ........................................... 351
Tires ........................................................ 376
Transmission Fluid ................................... 362
Under the Hood ...................................... 353
Malfunction Indicator Lamp .............. 69, 423
Map Lights ................................................ 171
Maximum Load Limit ............................... 261
Meters, Gauges ........................................... 95