See also:

Immobilizer Operation (Key Access)
This vehicle has a passive theft-deterrent system. The system does not have to be manually armed or disarmed. The vehicle is automatically immobilized when the key is removed from the igniti ...

Vehicle Overview
Cadillac takes another step into rear-wheel-drive territory with its new STS sedan, which replaces the front-wheel-drive Seville. Built on a Sigma-based architecture, like the automaker's smaller ...

Entering the Feature Settings Menu
1. Turn the ignition on. To avoid excessive drain on the battery, it is recommended that the headlamps are turned off. 2. Press the customization button to enter the feature settings menu. ...