3586-3. Do-it-yourself maintenance
C-HR_OM_USA_OM10526U■
Situations in which the tire pressure warning system may not oper-
ate properly
●In the following cases, the tire pr
essure warning system may not operate
properly.
• If non-genuine Toyota wheels are used.
• A tire has been replaced with a tire that is not an OE (Original Equip- ment) tire.
• A tire has been replaced with a tire that is not of the specified size.
• Tire chains, etc., are equipped.
• An auxiliary-supported run- flat tire is equipped.
• If a window tint that affects the radio wave signals is installed.
• If there is a lot of snow or ice on the vehicle, particularly around the wheels or wheel housings.
• If the tire inflation pressure is extremely higher than the specified level.
• If wheels without the tire pressure warning valves and transmitters
are used.
• If the ID code on the tire pressure warning valves and transmitters is not registered in the tire pressure warning computer.
●Performance may be affected in the following situations.
• Near a TV tower, electric power plant, gas station, radio station, largedisplay, airport or other facility that generates strong radio waves or
electrical noise.
• When carrying a portable radio, cellular phone, cordless phone or other wireless communication device.
●When the vehicle is parked, the time taken for the warning to start or go
off could be extended.
●When tire inflation pressure declines rapidly for example when a tire has
burst, the warning may not function.
511Alphabetical index
C-HR_OM_USA_OM10526U
Snow tires ................................ 285
Spare tire .................................. 423Inflation pressure .................. 456
Storage location .................... 424
Spark plug ................................ 454
Specifications .......................... 450
Speedometer .............................. 86
Sport mode............................... 251
Steering lock
Column lock release ..... 163, 168
Steering wheel ......................... 133
Adjustment ............................ 133
Audio switches ...................... 317
Meter control switches ............ 90
Telephone switches .............. 317
TRIP switch............................. 87
Stop lights ................................ 392
Storage feature ........................ 303
Stuck If the vehicle becomes
stuck ................................... 446
Sun visors ................................ 313 Switches
Audio remote control
switches ............................. 317
Automatic High Beam switch ................................. 190
Brake hold switch ................. 182
Cruise control switch ............ 236
Door lock switches................ 108
Emergency flashers switch ................................. 396
Engine switch ............... 162, 165
Fuel filler door opener
switch ................................. 202
Ignition switch ............... 162, 165
LDA (Lane Departure Alert)
switch ................................. 229
Light switches ....................... 185
Meter control switches ............ 90
Outside rear view mirror switches ............................. 137
Parking brake switch ............ 177
Power door lock switch ......... 108
Power window switches........ 140
Rear window and outside rear view mirror
defoggers switch ................ 293
Seat heater switches ............ 298
“TRIP” switch .......................... 87
Vehicle-to-vehicle distance switch ................................. 236
VSC off switch ...................... 280
Window lock switch .............. 140
Windshield wiper and washer switch..................... 195
