Abbreviation list

If the electronic key does not operate properly

~1min read

■Unlocking and locking the doors

To unlock or lock the vehicle, use the mechanical

To unlock or lock the vehicle, use the mechanical key. The mechanical key is stored inside the electronic key.

1 Unlocks
2 Locks

■Starting the engine

1 Depress the brake pedal.

1 Depress the brake pedal.
2 Touch the Lexus emblem side of the electronic key to the “ENGINE START STOP” switch.
3 Press the “ENGINE START STOP” switch within 10 seconds after the buzzer sounds, keeping the brake pedal depressed.

If the electronic key battery becomes depleted, replace it with a new battery. For instructions on replacing the battery, refer to the Owner’s Manual. If you need further assistance, contact your Lexus dealer.

Test yourself

A quick Lexus LX quiz: every answer comes with an explanation and a link to the manual page.