342
5-2. Steps to take in an emergency
■Resetting the tire pressure warning data
After adjusting the tire inflation pressur
e, be sure to initialize the data. (P. 2 7 9 )
If the message remains on, the system may have malfunctioned. Have the vehicle
inspected b
y your Lexus dealer as soon as possible
■The tire pressure warning system may not function properly in the following con -
ditions
●Tires other than the sp ecified sizes are used, or if tires of different sizes or tread
pattern are mixed, or the degree of tread wear is very different among the
installed tires.
●A compact spare tire, snow tires, or tire chains are used.
●The tire inflation pressure is excessively higher than specified, or tire inflation
pressure suddenly drops due to buresting or other causes.
●Driving on slippery road surfaces such as rough or frozen roads.
●Driving under 19 mph (30 km/h) or above 62 mph (100 km/h), or less than 5
minutes drive.
●Initialization was not performed correctly after replacing or rotating tires or
wheels.
●The outside temperature is below 32 °F (0 °C) or above 104 °F(40 °C).
CAUTION
■When the low tire pressure warning message appears
Avoid abrupt maneuvering and braking. If th
e vehicle’s tires have deteriorated, you
could lose control of the vehicle, resulting in death or serious injury.
350
5-2. Steps to take in an emergency
Installing spare tire
Remove any dirt or foreign matter
from the wheel contact surface.
If foreign matter is on the wheel
contact surface, the wheel nuts
may loosen while the vehicle is in
motion, and the tire may come off
the vehicle.
Install the spare tire and loosely tighten each wheel nut by hand to
approximately the same amount.
Turn the lug nuts until the washers
come into contact with the wheel.
Lower the vehicle.
Wheel nut
Wa s h e r
Disc wheel
397
Alphabetical index
ReplacingAir conditioning filter ....................... 289
Blade type fuses ................................. 298
Cartridge type fuses ........................ 309
Light bulbs .............................................. 313
Wireless remote control
battery.................................................. 295
Seat belts Adjusting the belt .................................. 34
Automatic Locking
Retractor (ALR) .................................... 36
Child restraint system
installation .............................................. 73
Cleaning ................................................ 248
Emergency Locking
Retractor (ELR) ................................. 36
How to wear your seat belt.............. 34
How your child should
wear the seat belt............................... 37
Pregnant women,
proper seat belt use.......................... 37
Reminder light....................................... 331
Seat belt extenders .............................. 38
Seat belt pretensioners...................... 36
Seat heaters.............................................. 218
Seats Cleaning ................................................ 248
Child seats/child restraint
system installation ..............................76
Driving position memory .................. 25
Head restraint .......................................... 31
Properly sitting in the seat................ 58
Rear seat position memory .............. 29
Refleshing rear seat switches ....... 222Seat adjustment .....................................
22
Seat adjustment precautions........... 24
Seat heaters ........................................... 218
Ventilated seats .................................. 220
Selector lever ............................................ 98
Automatic transmission .................... 98
If you cannot shift selector
lever.......................................................354
Service reminder indicators.............. 105
Shift lock system .................................... 354
Side airbags.................................................. 61
Side marker lights Switch.......................................................... 110
Wattage .................................................. 372
Side mirror.................................................. 43
Adjusting and folding.......................... 43
Driving position memory .................. 25
Smart access system Smart access system .............................. 5
Warning messages........................... 334
Snow tires.................................................... 151
Spare tire .................................................. 347
Spark plug................................................ 367
Specifications ......................................... 364
Speedometer .......................................... 103
SRS airbag SRS airbags.............................................. 60
Warning light ....................................... 334
Steering wheel Adjusting ................................................... 40
Audio switches..................................... 195
Driving position memory .................. 25
Stop lights Wattage .................................................. 372
Stuck If your vehicle becomes stuck ...... 361
S