2006 Mercedes R-Class Owner's Manual - Page 120

Controls in detail Locking and unlocking Global unlocking Grasp any outside door handle other than the driver's outside door handle. All turn signal lamps flash once. The locking knobs in the doors move up. The anti-theft alarm system is disarmed. Global locking Press the lock button on an outside door handle ( page 68) or the tailgate ( page 120). All turn signal lamps flash three times. The locking knobs in the doors move down. The anti-theft alarm system is armed. Restoring to factory setting Press and hold buttons Œ and ‹ simultaneously for about 6 seconds until battery check lamp 5 ( page 115) flashes twice. ! If you can no longer lock or unlock the vehicle with the SmartKey with KEYLESS-GO, then the battery in the SmartKey is discharged, the SmartKey with KEYLESS-GO is malfunctioning or the vehicle battery is drained. Check the battery in the SmartKey with KEYLESS-GO ( page 119) and replace it if necessary ( page 463). Use the mechanical key to unlock the driver' door ( page 459). Lock the vehicle as described in the "Practical hints" section ( page 460). Have the vehicle battery and the vehicle battery connections checked ( page 487). If the SmartKey with KEYLESS-GO is malfunctioning, contact an authorized Mercedes-Benz Light Truck Center. Checking the battery Press button ‹ or Œ. Battery check lamp 5 ( page 115) comes on briefly to indicate that the SmartKey with KEYLESS-GO battery is in order. i If battery check lamp 5 ( page 115) does not come on briefly during check, the SmartKey with KEYLESS-GO battery is discharged. Replace the battery ( page 463). You can obtain the required battery at any authorized Mercedes-Benz Light Truck Center. i If the battery is checked within signal range of the vehicle, pressing the button ‹ or Œ will lock or unlock the vehicle accordingly. 119