See also:

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. Never leave the key ...

Fifth Gear Lexus LS review
Could this be the LS that finally catapults Lexus into the big time? The all-new fourth generation car is a big step forward over its predecessors, especially the slab-sided model it replaces. Now ...

If the vehicle 12-volt battery is discharged
The following procedures may be used to start the hybrid system if the vehicle’s 12-volt battery is discharged. You can also call your Lexus dealer or a qualified repair shop. If you have a set o ...