2009 Mercedes SLR McLaren Owner's Manual - Page 94

Safety and Security Anti-theft systems Arming the alarm system Lock the vehicle with the SmartKey. The turn signal lamps flash three times to indicate that the alarm system is activated. The indicator lamp in the central locking switch ( page 105) begins to flash after arming the alarm system. Disarming the alarm system Unlock your vehicle with the SmartKey. The turn signal lamps flash once to indicate that the alarm system is disarmed. Canceling the alarm To cancel the alarm: Press button Œ or ‹ on the SmartKey. or Insert the SmartKey in the starter switch. i The alarm system will rearm automatically after approximately 40 seconds if neither a door nor the trunk lid was opened. i If the turn signal lamps do not flash three times, a door or the trunk may not be properly closed. Close the respective element and lock the vehicle again. 94