2006 Mercedes CLS-Class Owner's Manual - Page 103

Controls in detail Locking and unlocking Global locking Press button ‹. All turn signal lamps flash three times. An acoustic signal sounds three times (if equipped and feature activated). 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 flashes twice. ! If you can no longer lock or unlock the vehicle with the SmartKey, then either the batteries in the SmartKey are discharged, the SmartKey is malfunctioning or the vehicle battery is drained. Check the batteries in the SmartKey ( page 102) and replace them if necessary ( page 408). Use the mechanical key to unlock the driver's door ( page 402) and the trunk ( page 121). Use the mechanical key to lock the driver's door ( page 402) and the trunk ( page 121). Have the vehicle batteries and their connections checked. If the SmartKey is malfunctioning, contact an authorized Mercedes-Benz Center. Checking the batteries Press button ‹ or Œ. Battery check lamp 5 comes on briefly to indicate that the SmartKey batteries are in order. i If battery check lamp 5 does not come on briefly during check, then the SmartKey batteries are discharged. Replace the batteries ( page 408). You can obtain the required batteries at any authorized Mercedes-Benz Center. i If the batteries are checked within signal range of the vehicle, pressing the button ‹ or Œ will lock or unlock the vehicle accordingly. 102