5467-3. Do-it-yourself maintenance
C-HR_HV_OM_Europe_OM10538E
■ Situations in which the tire pressure warning system may not operate
properly
● In the following cases, the tire pressure warning system may not operate
properly.
• If non-genuine Toyota wheels are used.
• A tire has been replaced with a tire t hat is not an OE (Original Equipment)
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, large dis-
play, airport or other facility that generates strong radio waves or electri-
cal 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.
6428-2. Steps to take in an emergency
C-HR_HV_OM_Europe_OM10538E
■The compact spare tire (if equipped)
● The compact spare tire is identified by the label “TEMPORARY USE ONLY”
on the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.
● Make sure to check the tire inflation pressure of the compact spare tire.
( P. 674)
■ When using the compact spare tire (if equipped)
As the compact spare tire is not equipped with a tire pressure warning valve
and transmitter, low inflation pressure of the spare tire will not be indicated by
the tire pressure warning system. Also, if you replace the compact spare tire
after the tire pressure warning light comes on, the light remains on.
■ When the compact spare tire is equipped (if equipped)
The vehicle height may become lower when driving with the compact spare
tire compared to when driving with standard tires.
■ If you have a flat front tire on a road covered with snow or ice (vehicles
with compact spare tire)
Install the compact spare tire on one of the rear wheels of the vehicle. Per-
form the following steps and fit tire chains to the front tires:
Replace a rear tire with the compact spare tire.
Replace the flat front tire with the tire removed from the rear of the vehicle.
Fit tire chains to the front tires.
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708Alphabetical index
C-HR_HV_OM_Europe_OM10538E
Fog light switch ..................... 254
Fuel filler door opener
switch.................................. 264
Heated steering wheel
switch.................................. 489
Ignition switch ....................... 221
Theft sensor off switch .......... 110
LDA (Lane Departure Alert
with steering control)
switch.................................. 294
Light switch ........................... 244
Meter control switches .......... 130
Outside rear view mirror
switches.............................. 190
Parking brake switch ............. 236
Power door lock switches ..... 152
Power switch ......................... 221
Power window switch ............ 193
Rear window wiper and
washer switch ..................... 259
Rear window and outside
rear view mirror defoggers
switch.................................. 482
Seat heater switches............. 489
Speed limiter ......................... 330
S-IPA switch.......................... 365
Talk switch*
Telephone switches .............. 455
“TRIP” switch ........................ 126
Vehicle-to-vehicle distance
switch.................................. 314
VSC off switch....................... 404
Window lock switch ............... 193
Windshield wipers and
washer switch ..................... 256
Tail lights
Light switch ........................... 244
Replacing light bulbs............. 582
Talk switch*
Telephone switch .................... 455
Theft deterrent system
Alarm .................................... 106
Double locking system .......... 104
Immobilizer system ................. 99
Intrusion sensor .................... 110
Tire inflation pressure
Maintenance data ................. 674
Warning light ......................... 599
Tire pressure warning system
Function ................................ 543
Initializing .............................. 543
Initializing procedures ........... 544
Installing tire pressure
warning valves and
transmitters......................... 543
Registering ID codes ............ 545
Warning light ......................... 599
Tires .......................................... 541
Chains................................... 414
Checking ............................... 541
If you have a flat tire ..... 612, 632
Inflation pressure .................. 553
Replacing .............................. 632
Rotating tires......................... 542
Size ....................................... 674
Snow tires ............................. 412
Spare tire ...................... 632, 674
Tire pressure warning
system ................................ 543
Warning light ......................... 599
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