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318 6-3. Do-it-yourself maintenance then turn the engine switch ■ If you press the tire pressure warning reset switch acciden- tally If initialization is performed, adjust the tire inflation pressure to the specified level and initialize the tire pressure warning system again. ■ Initialization procedure ● Make sure to carry out initializa- tion after adjusting the tire inflation pressure. Also, make sure the tires are cold before carrying out initialization or tire inflation pressure adjustment. ● If you have accidentally turned the engine switch off during initializa- tion, it is not necessary to press the reset switch again as initializa- tion will restart automatically when the engine switch has been turned to ON for the next time. ● If you accidentally press the reset switch when initialization is not necessary, adjust the tire inflation pressure to the specified level when the tires are cold, and con- duct initialization again. ■ When initialization of the tire pressure warning system has failed Initialization can be completed in a few minutes. However, in the follow- ing cases, the settings have not been recorded and the system will not operate properly. If repeated attempts to record tire inflation pres- sure settings are unsuccessful, have the vehicle inspected by your Toyota dealer. ● When operating the tire pressure warning reset switch, tire pressure warning light does not blink 3 times. ● After carrying out the initialization procedure, the tire pressure warn- ing light blinks for 1 minute then stays on after driving for 20 min- utes. The tire pressure warning valve ■ Registering ID codes The ID codes of the tire pressure warning valve and transmitters for two sets of wheels can be regis- tered. codes when replacing normal tires with snow tires, if the ID codes for the wheels of both normal tires and snow tires are registered before- hand. warning system sensor ID codes ini- tially registered to the vehicle, a sec- ond set of ID codes can be registered. ing system sensor ID codes can be registered at your Toyota dealer. WARNING ■ When initializing the tire pres- sure warning system Do not operate the tire pressure warning reset switch without first adjusting the tire inflation pres- sure to the specified level. Other- wise, the tire pressure warning light may not come on even if the tire inflation pressure is low, or it may come on when the tire infla- tion pressure is actually normal. Registering ID codes |