See also:

Items to initialize
The following items must be initialized for normal system operation in cases such as after the 12-volt battery is reconnected, or maintenance is performed on the vehicle. ...

Lexus Enform with Safety Connect
The Lexus GS 350 and GS 460 offer an all-new telematics system, Lexus Enform™ with Safety Connect™, available by subscription. Complimentary one-year trial subscriptions are included on all purcha ...

If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicle’s battery is discharged. You can call your Lexus dealer or qualified repair shop. If you have a set of jumper (or booster) ca ...