Have the vehicle inspected by your Lexus dealer immediately.
A buzzer sounds and a warning message is shown on the multi-informa- tion display. Failure to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately.



See also:
Smart access system with push-button start
The following operations can be performed simply by carrying the electronic key
on your person, for example in your pocket.
(The driver should always carry the electronic key.)
1. Locks and unlock ...
Destination search by “Address Book”
1. Push the “DEST” button.
2. Touch “Address Book” on the “Destination” screen.
A list of registered address book entries is displayed.
3. Touch the button of the desired address book ...
Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine
from starting if a key has not been previously registered in the vehicle’s onboard
computer.
Never leave the keys in ...
