2005 Mercedes SL-Class Owner's Manual - Page 97
2005 Mercedes SL-Class Manual
Page 97 highlights
Controls in detail Locking and unlocking Warning! G i USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any unauthorized modification to this device could void the user's authority to operate the equipment. SmartKey with remote control When leaving the vehicle, always remove the SmartKey from the starter switch, take it with you, and lock the vehicle. Do not leave children unattended in the vehicle, or with access to an unlocked vehicle. It is possible for children to open a locked door from the inside, which could result in an accident and/or serious injury. 1 ‹ Lock button 2 Š Unlock button for the trunk lid 3 Mechanical key locking tab 4 Œ Unlock button 5 Battery check lamp 6  Panic button ( page 78) ! To prevent possible malfunction, avoid exposing the SmartKey to high levels of electromagnetic radiation. 95