User Manual - Page 498

For Yaris 2020.

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498
6-7. Warning/Indicator Lights and Warning Sounds
YARIS_YARIS HATCHBACK_OM_OM99V59z_(U)
Low Fuel Warning Light
The light illumination timing may vary because fuel inside the fuel tank moves
around according to the driving conditions and the vehicle posture.
Seat Belt Warning Light
The warning light flashes for about 6 seconds if the driver’s seat belt is not
fastened when the ignition is switched ON.
To allow the front passenger occupant classification sensor to function prop-
erly, do not place and sit on an additional seat cushion on the front passen-
ger’s seat. The sensor may not function properly because the additional
seat cushion could cause sensor interference.
If a small child is seated on the front passenger’s seat, the warning light may
not operate.
Tire Pressure Monitoring System Warning Light
Perform tire pressure adjustment when the tires are cold. Tire pressure
will vary according to the tire temperature, therefore let the vehicle stand
for 1 hour or only drive it 1 mile (1.6 km) or less before adjusting the tire
pressures. When pressure is adjusted on hot tires to the cold inflation
pressure, the TPMS warning light/beep may turn on after the tires cool
and pressure drops below specification.
Also, an illuminated TPMS warning light, resulting from the tire air pres-
sure dropping due to cold ambient temperature will remain illuminated
even if the ambient temperature rises. In this case, it will also be neces-
sary to adjust the tire air pressures. If the TPMS warning light illuminates
due to a drop in tire air pressure, make sure to check and adjust the tire
air pressures.
Tires lose air naturally over time and the TPMS cannot tell if the tires are
getting too soft over time or you have a flat. However, when you find one
low tire in a set of four-that is an indication of trouble; you should have
someone drive the vehicle slowly forward so you can inspect any low
tire for cuts and any metal objects sticking through tread or sidewall. Put
a few drops of water in the valve stem to see if it bubbles indicating a
bad valve. Leaks need to be addressed by more than simply reinflating
the tire as leaks are dangerous - take it to your Toyota dealer.
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