2006 Mercedes SLK-Class Owner's Manual - Page 97

Controls in detail Locking and unlocking Restoring to factory setting Press and hold buttons Œ and ‹ simultaneously for about 6 seconds. Battery check lamp 5 flashes twice. The SmartKey is set to the factory setting again. ! If you can no longer lock or unlock the vehicle with the SmartKey, then the batteries in the SmartKey are discharged, the SmartKey is malfunctioning, or the vehicle battery is drained. Check the batteries in the SmartKey and replace them if necessary ( page 398). Use the mechanical key to lock/unlock the driver's door ( page 394). Use the mechanical key to lock/unlock the trunk lid as required ( page 395). Have the vehicle battery and the battery connections checked ( page 421). If the SmartKey is malfunctioning, contact an authorized Mercedes-Benz Center. Unlocking the trunk lid You can unlock and open the trunk lid separately. Press and hold button Š on the SmartKey until the trunk lid unlocks. For opening the trunk, see "Opening the trunk" ( page 98). i The trunk lid can only be opened when the vehicle is not in motion and the retractable hardtop is fully opened or closed. 96