2017 LEXUS RC300 ignition

6839-2. Customization
9
Vehicle specifications
■Vehicle customization
●When the smart access system with push-button start is off, the entry unlock function
cannot be customized.
●When the doors remain closed after unlocking the doors and the timer activated auto-
matic door lock function activates, signals will be generated in accordance with the
operation buzzer volume and operational si gnal (Emergency flashers) function set-
tings.
●Some settings can be changed using a switch or the audio system screen. If a setting is
changed using a switch , the changed setting will not be reflected on the audio system
screen until the engine switch is turn ed off and then to IGNITION ON mode.
■When customizing using the Remote To uch or Lexus Display Audio controller
Stop the vehicle in a safe place, apply the par king brake, and shift the shift lever to P. Also,
to prevent battery discharge, leave the engine running while customizing the features.
WARNING
■During customization
As the engine needs to be running during customization, ensure that the vehicle is
parked in a place with adequate ventilation. In a closed area such as a garage, exhaust
gases including harmful carbon monoxide (CO) may collect and enter the vehicle. This
may lead to death or a serious health hazard.
NOTICE
■During customization
To prevent battery discharge, ensure that the engine is running while customizing fea-
tures.

698What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be made
by your Lexus dealer. ( →P. 138)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (→ P. 140)
●Is the electronic key battery weak or depleted? ( →P. 538)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (→P. 208)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
(→ P. 154)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open th e trunk as usual. Take the key out from the trunk.
(→ P. 149)
If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The trunk lid is closed with the electronic key left inside

699What to do if... (Troubleshooting)
●Did you press the engine switch while firmly depressing the brake pedal?
(→ P. 207)
●Is the shift lever in P? ( →P. 210)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 152)
●Is the steering wheel unlocked? (→ P. 210)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (→P. 624)
●Is the battery discharged? ( →P. 626)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode. ( →P. 218)
●It is locked automatically to prevent theft of the vehicle. ( →P. 210)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( →P. 183)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( →P. 210)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal
The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically

700What to do if... (Troubleshooting)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (→P. 566)
●The parking brake indicator is on
Is the parking brake released? ( →P. 221)
Depending on the situation, other types of warning buzzer may also sound.
(→ P. 565, 571)

●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (→ P. 83)
Do one of the following to de activate or stop the alarms:
• Unlock the doors or open the trunk.
• Turn the engine switch to ACCESSORY or IGNITION ON mode, or start the
engine.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. (→ P. 571)
●When a warning light turns on or a warning message is displayed, refer to
P. 565, 571.A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

708Alphabetical index
Engine ....................................................... 643ACCESSORY mode..................... 208
Compartment....................................... 501
Engine switch .......................................207
Hood ........................................................ 497
How to start the engine ..................207
Identification number .......................642
If the engine will not start............... 620
Ignition switch (engine switch)....207
Overheating ........................................ 630
Engine coolant.......................................509 Capacity ................................................ 648
Checking............................................... 509
Preparing and checking before winter ..................................... 331
Engine coolant temperature gauge .............................................. 96, 102
Engine immobilizer system ..................79
Engine oil ................................................. 504 Capacity .................................................644
Checking............................................... 504
Preparing and checking before winter ..................................... 331
Engine oil maintenance data ........... 507
Engine oil temperature gauge ......... 102
Engine switch ......................................... 207
Enhanced VSC ..................................... 298
EPS (Electric Power Steering) ....... 299 Warning light ...................................... 566
Event data recorder (EDR) ...................10
Expert mode ........................................... 302 First-aid kit storage belt..................... 454
Flat tire
Vehicles with a spare tire .............. 592
Vehicles with emergency tire puncture repair kit ........................ 606
Floor mats................................................... 30
Fluid Automatic transmission .................. 649
Brake..........................................................651
Washer .....................................................516
Fog lights...................................................232 Replacing light bulbs ...................... 550
Switch ...................................................... 232
Footwell light .......................................... 448 Wattage ................................................. 657
Front fog lights........................................232 Replacing light bulbs ...................... 550
Switch ...................................................... 232
Front passenger occupant classification system ............................. 51
Front seats ................................................. 164 Adjustment..............................................164
Cleaning.................................................485
Correct driving posture .....................32
Driving position memory.................169
Head restraints ..................................... 173
Jam protection function....................165
Seat heaters .......................................... 446
Seat position memory .......................169
Seat ventilators.................................... 447F

710Alphabetical index
Hands-free system (for cellular phone) ........................... 397
HD Radio
® system .............................. 363
Head restraints ........................................ 173
Headlight cleaner................................. 233
Headlights ............................................... 224 Automatic High Beam system .................................................. 227
Light switch ........................................... 224
Replacing light bulbs ....................... 550
Heaters Air conditioning system ..................434
Heated steering wheel ....................445
Outside rear view mirrors .............439
Seat heaters ..........................................446
Hill-start assist control ........................ 298
Hood .......................................................... 497 Open ........................................................ 497
Hooks Cargo hooks ........................................454
Coat hooks .......................................... 459
Retaining hooks (floor mat) .............30
Horn ............................................................. 177 I/M test ......................................................494
Identification
Engine ..................................................... 642
Vehicle ......................................................641
Ignition switch (engine switch) ........207
Illuminated entry system ................... 450
Immobilizer system ................................. 79
Indicators ...................................................... 91
Initialization Maintenance ........................... 489, 507
Meter ................................................ 114, 126
Moon roof .............................................. 188
Multi-information display........ 114, 126
Power windows....................................184
Tire pressure warning system ................................ 518
Initiators (tire pressure warning system) ................................ 529
Inside rear view mirror......................... 178
Instrument panel light control ...........................................100, 107
Intercooler ................................................. 511
Intercooler coolant.............................. 509 Capacity.................................................648
Checking .............................................. 509
Preparing and checking before winter ...................................... 331
Interior lights ...........................................449
Intuitive parking assist .........................269
HI

718Alphabetical index
SMS (Short message service)......... 405
Snow mode ............................................... 214
Snow tires ................................................ 334
Spare tire.................................................. 592Inflation pressure ................................652
Storage location ................................ 593
Spark plug ............................................... 648
Specifications ......................................... 640
Speed indicator ..............................98, 105
Speedometer .................................. 96, 102
Sport mode ............................................. 294
Steering lock ........................................... 210 Column lock release ......................... 210
Steering wheel ......................................... 176 Adjustment ..............................................176
Audio switches ....................................344
Auto tilt away.......................................... 177
Heated steering wheel ....................445
Steering wheel position memory.............................. 169
Stop lights Replacing light bulbs ....................... 550
Storage feature .......................................451
Stuck If the vehicle becomes stuck ....... 636
Sun shade ................................................. 188
Sun visors ................................................. 455 Switches
Active rear wing switch .................. 326
ASC (Active Sound Control) switch ....................................................222
Audio remote control switches .............................................. 344
Automatic High Beam system ....227
BSM (Blind spot monitor) switch ..................................................... 313
Cruise control switch .......... 245, 249
Door lock switches ............................. 143
Driving mode select switch .......... 294
Driving position memory switches ................................................169
Dynamic radar cruise control switch................................... 249
Emergency flashers switch ...........554
Engine switch ...................................... 207
Fog light switch ................................... 232
Garage door opener switches ..............................................460
Heated steering wheel switch ................................................... 445
Ignition switch...................................... 207
Intuitive parking assist switch....... 270
LDA (Lane Departure Alert) switch ................................................... 264
Light switches ...................................... 224
Meter control switches ............... 111, 118