2009 Mercedes SLR McLaren Owner's Manual - Page 112

Controls in detail Lighting Interior lighting The controls are located in the overhead control panel. Automatic control Activating Slide switch 4 to the left. Interior lamps switches on in darkness when you unlock the vehicle open a door remove the SmartKey from the starter switch In addition, the entry/exit lamps in the door come on when you open a door. The interior lighting switches off automatically following a preset time delay. For more information, see "Setting interior lighting delayed switch-off" ( page 137). i The interior lighting is factory-set to automatic mode. Deactivating Slide switch 4 to the right. The interior lighting and the entry/exit lamps remain switched off in darkness, even when you unlock the vehicle open a door 1 Left-hand reading lamp on/off 2 Right-hand reading lamp on/off 3 Interior lighting on/off 4 Automatic control on/off remove the SmartKey from the starter switch ! An interior lamp switched on manually does not go out automatically. Leaving an interior lamp switch in the ON position for extended periods of time with the engine turned off could result in a discharged battery. i If a door remains open, the interior lamps switch off automatically after approximately 5 minutes. 112