2003 Mercedes G-Class Owner's Manual - Page 79

Safety and Security Anti-theft systems Anti-theft systems Immobilizer The immobilizer prevents unauthorized persons from starting your vehicle. Activating Removing the key from the starter switch activates the immobilizer. Deactivating Inserting the key in the starter switch deactivate the immobilizer. Anti-theft alarm Once the alarm system has been armed, a visual and audible alarm is triggered when someone: opens a door opens the tailgate opens the hood The alarm will stay on even if the activating element (a door, for example) is immediately closed. The alarm system will also be triggered when someone attempts to raise the vehicle opening the vehicle with the mechanical key i If the alarm stays on for more than 20 seconds, an emergency call is initiated automatically by the Tele Aid system ( page 183) provided Tele Aid service was subscribed to and properly activated, and that necessary cellular service and GPS coverage are available. Arming the alarm system The alarm system is armed after locking the vehicle with the SmartKey. The turn signal lamps blink three times to indicate that the alarm system is activated. A red lamp in the tow-away alarm switch will blink after approximately 10 seconds when the alarm system is completely armed ( page 27). 79