When driving

See also:

Theft deterrent system
Immobilizer system The vehicle's keys have built-in transponder chips that prevent the hybrid system from starting if the key has not been previously registered in the vehicle's on-board computer. ...

Stop the vehicle immediately.
The following warning indicates the possibility of damage to the vehicle that may lead to an accident. Immediately stop the vehicle in a safe place and contact your Lexus dealer. ...

Follow the correction procedures.
A buzzer sounds and a warning message is shown on the multi-informa- tion display. After taking the specified steps to correct the suspected problem, check that the warning message goes off. ...