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YARIS SEDAN_OM_OM99S50z_(U)
233
3-12. Tire Pressure Monitoring System
3
When Driving
In the following cases, system initialization must be performed so that
the system operates normally.
• A tire pressure is adjusted.
• Tire rotation is performed.
• A tire or wheel is replaced.
• The battery is replaced or completely drained.
• The tire pressure monitoring system warning light is illuminated.
■ Initialization method
Park the car in a safe place and firmly apply the parking brake.
Let the tires cool, then adjust the tire pressure of all four (4) tires
to the specified pressure indicated on the tire pressure label
located on the door jamb of the driver’s door (door open).
Refer to Tires on P. 582.
Switch the ignition ON.
While the vehicle is parked,
press and hold the tire pres-
sure monitoring system set
switch and verify that the tire
pressure monitoring system
warning light in the combina-
tion meter flashes twice and
a beep sound is heard once.
Tire Pressure Monitoring System Initialization
1
2
3
4
NOTICE
If the system initialization is performed without adjusting the tire pres-
sure, the system cannot detect the normal tire pressure and it may not
illuminate the tire pressure monitoring system warning light even if a tire
pressure is low, or it may illuminate the light even if the pressures are
normal.
Adjust the tire pressure on all four tires and initialize the system when
the warning light is turned on. If the warning light turns on for a reason
other than a flat tire, the tire pressure of all four tires may have
decreased naturally.
The system initialization will not be performed if the switch is pressed
while the vehicle is being driven.
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