2010 Mercedes GLK-Class Owner's Manual - Page 66

64 Anti-theft systems To cancel the alarm after it has been triggered, see "Canceling the alarm" (Y page 64). i If the alarm stays on for more than 30 seconds, the Tele Aid system initiates a call to the Customer Assistance Center automatically. The Tele Aid system will initiate the call provided that Ryou have subscribed to the Tele Aid service Rthe Tele Aid service has been activated properly Rthe necessary mobile phone, power supply and GPS coverage are available Safety and security i Unless you open a door or the tailgate within approximately 40 seconds after unlocking the vehicle: RThe vehicle will be locked again. RThe anti-theft alarm system will be rearmed. Canceling the alarm To cancel the alarm, do one of the following: X Insert the SmartKey into the starter switch. X Press button % or & on the SmartKey. In vehicles with KEYLESS-GO: X Grasp an outside door handle. The SmartKey must be within 3 ft (1 m) of the vehicle. X Press the KEYLESS-GO start/stop button. The SmartKey must be inside the vehicle. X Arming: Lock the vehicle with the SmartKey or with KEYLESS-GO. The turn signal lamps flash three times and an acoustic warning sounds three times to indicate that the vehicle is locked. Indicator lamp : flashes to indicate that the alarm system is armed. i If the turn signal lamps do not flash three times and the acoustic warning does not sound three times, a door or the tailgate may not be properly closed. Close the respective element. X Disarming: Unlock the vehicle with the SmartKey or with KEYLESS-GO. The turn signal lamps flash once and an acoustic warning sounds once to indicate that the alarm system is disarmed.