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6-3. Do-it-yourself maintenance
The initialization operation
■
Make sure to carry out initialization after adjusting the tire inflation pressure.
●
Also, make sure the tires are cold before carrying out initialization or tire inflation pres-
sure adjustment.
If you have accidentally turned the engine switch off during initialization, it is not neces-
●
sary to manually restart the initialization again, as initialization will restart automatically
the next time the engine switch is turned to IGNITION ON mode.
If you accidentally perform initialization when initialization is not necessary, adjust the
●
tire inflation pressure to the specified level when the tires are cold, and conduct initial-
ization again.
While the position of each tire is being determined and the inflation pressures 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.
Warning performance of the tire pressure warning system
■
The warning of the tire pressure warning system will change in accordance with the con-
ditions under which it was initialized. For this reason, the system may give a warning even
if the tire pressure does not reach a low enough level, or if the pressure is higher than the
pressure that was adjusted to when the system was initialized.
*
: Except for Costa Rica, Guatemala, Honduras, Panama, El Salvador, Bolivia, Domini-
can Republic and Peru
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, initialization 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 40 km/h (25 mph) or more
to 30 minutes.
If initialization is still not complete, have the vehicle inspected by your Lexus 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.
• If, when attempting to start initialization, the tire pressure warning light does not
blink 3 times.
• If, when the vehicle has been driven for about 20 minutes after performing initializa-
tion, the tire pressure warning light blinks for approximately 1 minute and then illumi-
nates.
GX460_OM_OM60R28E_(GE)
*
*
for approximately 10
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