597What to do if... (Troubleshooting)
COROLLA_TMMMS_TMMC_U (OM02494U)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. (→P. 179)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (→P. 485)
●The brake system warning light is on
Is the parking brake released? (→P. 194)
Depending on the situation, other types of warning buzzer may also sound.
(→P. 484, 493)
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display. (→P. 493)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (→P. 70)
Vehicles without a smart key system
To stop the alarm, turn the engine switch to the “ON” position or start the
engine.
Vehicles with a smart key system
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 484, 493.
The engine switch is turned off automatically
(vehicles with a smart key system)
A warning buzzer sounds during driving
A warning buzzer sounds when leaving the vehicle
(vehicles with a smart key system)
An alarm is activated and the horn sounds
(vehicles with an alarm)
A warning light turns on or a warning message or indicator
is displayed
