Toyota Corolla (E120): Seat belt warning system

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Source voltage drop
The srs is equipped with a voltage–increase circuit (dc–dc converter) in the airbag sensor assy center in case the source voltage drops. When the battery voltage drops, the voltage–increase circuit (dc–dc converter) functions to increase the voltage of the srs to normal voltage. ...

Receiving a call
When a call is received, the following screen is displayed together with a sound. To answer the phone Press the switch on the steering wheel or select . To refuse a call Press the switch on the steering wheel or select . To adjust the incoming call volume Turn the “PWR/VOL” knob. ...

Checking tires
Check if the treadwear indicators are showing on the tires. Also check the tires for uneven wear, such as excessive wear on one side of the tread. Check the spare tire condition and pressure if not rotated. New tread Worn tread Treadwear indicator The location of treadwear indicators is show ...