Toyota Yaris Owner's Manual page 349


How to initialize the tire pressure warning system (vehicles
with a tire pressure warning system)
1
Park the vehicle in a safe place and turn the engine switch to the
"LOCK" position (vehicles without a smart entry & start system)
or off (vehicles with a smart entry & start system).
Initialization cannot be performed while the vehicle is moving.
2
Adjust the tire inflation pressure to the specified cold tire inflation
pressure level. (P. 483)
Make sure to adjust the tire pressure to the specified cold tire inflation
pressure level. The tire pressure warning system will operate based on
this pressure level.
3
Turn the engine switch to the "ON" position (vehicles without a
smart entry & start system) or IGNITION ON mode (vehicles with
a smart entry & start system).
4
Press and hold the tire pres-
sure warning reset switch
until the tire pressure warn-
ing light blinks slowly 3 times.
5
Vehicles without a smart entry & start system: Wait for a few min-
utes with the engine switch in the "ON" position and then turn the
engine switch to the "ACC" or "LOCK" position.
Vehicles with a smart entry & start system: Wait for a few minutes
with the engine switch in IGNITION ON mode and then turn the
engine switch off.
7-3. Do-it-yourself maintenance
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