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429
6-3. Do-it-yourself maintenance
6
Maintenance and care
4RUNNER (U)
■
The initialization operation
●
Make sure to carry out initialization after adjusting the tire inflation pres-
sure.
Also, make sure the tires are cold before carrying out initialization or tire
inflation pressure adjustment.
●
If you have accidentally turned the engine switch to the “LOCK” position
(vehicles without a smart key system) or off (vehicles with a smart key
system) during initialization, it is not necessary to press the reset switch
again as initialization will restart automatically when the engine switch
has been turned to the “ON” position (vehicles without a smart key sys-
tem) or IGNITION ON mode (vehicles with a smart key system) for the
next time.
●
If you accidentally press the reset switch when initialization is not neces-
sary, adjust the tire inflation pressure to the specified level when the
tires are cold, and conduct initialization again.
●
While the position of each tire is being determined and the inflation pres-
sures are not being displayed on the multi-information display, if the
inflation pressure of a tire drops, the tire pressure warning light will come
on.
■
When initialization of the tire pressure warning system has failed
●
Do not move the vehicle backward during initialization. Initialization is
started again from the beginning and it may take longer than usual.
●
Initialization may take longer to complete if the vehicle is driven on an
unpaved road.
When performing initialization, drive on a paved road if possible.
Depending on the driving environment and condition of the tires, initial-
ization will be completed in approximately 10 to 30 minutes.
• If initialization is not complete after driving approximately 30 minutes,
continue driving for a while.
• If initialization is not complete after driving approximately 1 hour, park
the vehicle in a safe place for approximately 20 minutes. Then drive
straight (with occasional left and right turns) at approximately 25 mph
(40 km/h) or more
*
for approximately 10 to 30 minutes.
• If initialization is still not complete, have the vehicle inspected by your
Toyota dealer.
*
: Except when making a left/right turn
●
In the following situations, the tire inflation pressure will not be recorded
and the system will not operate properly. Perform initialization again.
• When operating the tire pressure warning reset switch, the tire pres-
sure warning light does not blink 3 times.
• After performing initialization, the tire pressure warning light blinks for
1 minute then stays on after driving for about 20 minutes.
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