2009 Mercedes CL-Class Owner's Manual - Page 296

Controls in detail Locking and unlocking X Switching on/off: Press and hold buttons k and j simultaneously for approximately 6 seconds until battery check lamp 4 (Y page 291) flashes twice. The SmartKey will then function as follows: X Unlocking driver's door and fuel filler flap: Pull the driver's outside door handle. X Global unlocking: Pull the outside door handle on the passenger side. X Global locking: Touch outside of door handle 1. j or k will lock or unlock the vehicle accordingly. Opening the doors from the inside You can open a locked door from the inside. Open door only when conditions are safe to do so. Loss of the SmartKey If you lose your SmartKey or mechanical key, you should do the following: X Have the SmartKey deactivated by an authorized Mercedes-Benz Center. X Report the loss of the SmartKey or the mechanical key to your car insurance company immediately. X Have the mechanical lock replaced if necessary. Any authorized Mercedes-Benz Center will be glad to supply you with a replacement. Checking SmartKey batteries X Press button j or k on the SmartKey. Battery check lamp 4 (Y page 291) comes on briefly to indicate that the SmartKey batteries are in order. If the battery check lamp does not come on briefly during check, the SmartKey batteries are discharged. X Replace the batteries (Y page 541). Example illustration driver's door 1 Locking knob 2 Inside door handle i 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 button If the vehicle has previously been locked with the SmartKey or with KEYLESS-GO, opening a door from the inside will trigger the antitheft alarm system. To cancel the alarm, see (Y page 76). X Pull on inside door handle 2 on the respective door. If the door was locked, locking knob 1 will move up. 294