Toyota Corolla (E170): If a warning light turns on or a warning buzzer sounds

Calmly perform the following actions if any of the warning lights comes on or flashes. If a light comes on or flashes, but then goes off, this does not necessarily indicate a malfunction in the system. However, if this continues to occur, have the vehicle inspected by your Toyota dealer.

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Cruise control
The vehicle can be driven at a set speed even if the accelerator pedal is not depressed. Use the cruise control only on highways and expressways. WARNING ■For safe use Driving safely is solely the responsibility of the driver. Therefore, do not overly rely on this system. The driver is solel ...

If a warning message or indicator is displayed (vehicles with a multi-information display)
If a warning is shown on the multi-information display, stay calm and perform the following actions: 1 Master warning light The master warning light also comes on or flashes in order to indicate that a message is currently being displayed on the multiinformation display. 2 Multi-information d ...

The ambient temperature does not display
Wiring diagram Inspection procedure 1 Inspect outer ambient temperature sensor Remove cooler (ambient temp. Sensor) thermistor.  measure resistance between terminals 1 and 2 of cooler (ambient temp. Sensor) thermistor connector at each temperature. Resistance: at 0 c (0 f) ...