
5
593
5-2. Steps to take in an emergency
When trouble arises
RX350/270_EE
■Stopping the engine
Shift the shift lever to P and press the “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted.
(→P. 5 0 1 )
■Alarm
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set, the
alarm may be triggered. (→P. 1 2 2 )
■Changing “ENGINE START STOP” switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press the
“ENGINE START STOP” switch.
The engine does not start and modes will be changed each time the switch is
pressed. (→P. 1 8 1 )
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596
5-2. Steps to take in an emergency
RX350/270_EE
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic.
■When the battery is removed or discharged
●The power back door must be initialized. (if equipped) (→P. 6 3 3 )
●Make sure that the key is not inside the vehicle when recharging or replacing
the battery. The key may be locked in the vehicle if the alarm is activated.
(→P. 1 2 5 )
■Charging the battery
The electricity stored in the battery will discharge gradually even when the vehi-
cle is not in use, due to natural discharge and the draining effects of certain
electrical appliances. If the vehicle is left for a long time, the battery may dis-
charge, and the engine may be unable to start. (The battery recharges automat-
ically during driving.)
Once the vehicle’s engine has started, remove the jumper
cables in the exact reverse order from which they were con-
nected.
Once the engine starts, have the vehicle inspected at any authorized
Lexus dealer or repairer, or another duly qualified and equipped pro-
fessional as soon as possible.STEP6
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637
RX350/270_EE
Alphabetical index
Alphabetical index
A/C*
Air conditioning filter........................499
Automatic air conditioning
system*..................................................314
ABS ..............................................................271
ACCESSORY mode .......................... 180
Active torque control
4WD mode ............................................ 271
Adaptive front lighting system ........ 219
AFS .............................................................. 219
Air conditioning filter .......................... 499
Air conditioning system*
Air conditioning filter........................499
Automatic air conditioning
system*..................................................314
Airbags
Airbag manual on/off
system ....................................................163
Airbag operating conditions..........133
Airbag precautions for your
child ......................................................... 137
Airbag warning light......................... 544
Curtain shield airbag operating
conditions.............................................134
Curtain shield airbag
precautions.......................................... 137
General airbag precautions .......... 137
Locations of airbags............................ 131
Modification and disposal of
airbags .................................................... 141
Proper driving posture ...........129, 137Side airbag operating
conditions ............................................ 134
Side airbag precautions................... 137
SRS airbags ..............................................131
Alarm ........................................................... 122
All-wheel drive lock switch ...............277
Antenna .................................................... 329
Anti-lock brake system ........................ 271
Armrest ......................................................441
Assist grips .............................................. 443
Audio input ............................................. 379
Audio system*
Antenna .................................................. 329
Audio input ........................................... 379
AUX port .............................................. 379
Bluetooth
® audio system ............... 361
CD player/changer ......................... 330
Hands-free system for
mobile phone................................... 384
iPod .......................................................... 344
MP3/WMA disc................................337
Optimal use........................................... 377
Portable audio device..................... 379
Radio........................................................ 326
Steering wheel audio switch..........381
USB memory ...................................... 353
USB port.................................... 344, 353
Automatic air conditioning system*
Air conditioning filter ....................... 499
Air conditioning system* ................. 314
Automatic headlight leveling
system .................................................... 220
A
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
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647
Alphabetical index
RX350/270_EE
Tachometer
Tachometer ........................................... 196
Tail lights
Replacing light bulbs......................... 516
Switch ........................................................ 217
Wattage................................................... 619
Talk switch* ............................................. 392
Telephone switch*................................ 392
Telephone* ............................................... 391
Theft deterrent system
Alarm ......................................................... 122
Double locking system .......................121
Immobilizer system.............................. 115
Tire inflation pressure ......................... 495
Tires
Chains ..................................................... 296
Checking ...............................................483
If you have a flat tire .......................... 572
Inflation pressure................................495
Inflation pressure sensor ................484
Replacing ............................................... 572
Rotating tires ........................................483
Size.............................................................. 617
Snow tires .............................................. 296
Spare tire................................................ 572
Tire pressure warning
system ..................................... 483, 546
Tools ........................................................... 572
Towing
Emergency towing............................536
Trailer towing ..............................300, 311
Traction control .......................................271Trailer towing ................................ 300, 311
TRC .............................................................. 271
Trip information display ..................... 206
Trip meter ..................................................196
Turn signal lights
Replacing light bulbs .........................516
Switch ........................................................ 193
Wattage ................................................... 619
Under tray ............................................... 429
USB port .......................................344, 353
Vanity lights
Vanity lights............................................ 431
Wattage ................................................... 619
Vanity mirrors ..........................................431
VDIM..........................................................272
Vehicle dynamics integrated
management ........................................272
Vehicle identification number......... 607
Vehicle stability control ....................... 271
VSC ............................................................. 271
Warning buzzers
Brake system ....................................... 543
Key reminder....................................... 563
Open door .......................................... 546
Open moon roof reminder.......... 557
Pre-crash braking ............................. 280
Seat belt reminder ............................ 546T
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
U
V
W
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650
RX350/270_EE
What to do if...
What to do if...
A tire puncturesP. 5 7 2If you have a flat tire
The engine does not start
P. 5 8 7If the engine will not start
P. 115Engine immobilizer system
P. 5 9 4If the vehicle battery is discharged
The shift lever cannot be
moved outP. 5 8 9If the shift lever cannot be shifted from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 5 9 8If your vehicle overheats
The key is lostP. 5 9 0If you lose your keys
The battery runs outP. 5 9 4If the vehicle battery is discharged
The doors cannot be lockedP. 5 6Side doors
P. 6 0Back door
The horn begins to soundP. 1 2 2Alarm
The vehicle is stuck in mud or
sandP. 6 0 1If the vehicle becomes stuck
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