display TOYOTA GR YARIS 2020 Manual Online
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YARIS(GR) Owner's Manual_Europe_M52L09_en
6-4. Do-it-yourself maintenance
The unit can be changed.
■How to change the unit
1Park the vehicle in a safe place 
and turn the engine switch off.
Changing the unit cannot be performed 
while the vehicle is moving.
2Turn the engine switch to ON.
3Press   /   of the meter con-
trol switch to select  .
4Press  /  to select “Vehicle 
Settings” and then press and 
hold .
5Press   /   to select “TPWS 
setting” and then press  .
6Press   /   to select “Setting 
Unit”.
7Press   /   to select the 
desired unit and then press  .
■Routine tire inflation pressure 
checks
The tire pressure warning system does 
not replace routine tire inflation pressure 
checks. Make sure to check tire inflation pressure as part of your routine of daily 
vehicle checks.
■Tire inflation pressure
●It may take a few minutes to display 
the tire inflation pressure after the 
engine switch is turned to ON. It may 
also take a few minutes to display the 
tire inflation pressure after inflation 
pressure has been adjusted.
●Tire inflation pressure changes with 
temperature. The displayed values 
may also be different from the values 
measured using a tire pressure 
gauge.
■Situations in which the tire pres-
sure warning system may not oper-
ate properly
●In the following cases, the tire pres-
sure warning system may not operate 
properly.
• If non-genuine Toyota wheels are 
used.
• A tire has been replaced with a tire 
that is not an OE (Original Equipment) 
tire.
• A tire has been replaced with a tire 
that is not of the specified size.
• Tire chains, etc. are equipped.
• An auxiliary-supported run-flat tire is 
equipped.
• If a window tint that affects the radio 
wave signals is installed.
• If there is a lot of snow or ice on the 
vehicle, particularly around the wheels 
or wheel housings.
• If the tire inflation pressure is 
extremely higher than the specified 
level.
• If tires not equipped with tire pressure 
warning valves and transmitters are 
used.
• If the ID code on the tire pressure 
warning valves and transmitters is not 
registered in the tire pressure warning 
computer.
●Performance may be affected in the 
following situations.
• Near a TV tower, electric power plant, 
gas station, radio station, large dis-
play, airport or other facility that gen-