2009 Mercedes SLR McLaren Owner's Manual - Page 90

Safety and Security Performance enhancement system Airbrake Warning! The Airbrake enhances the vehicle's driving stability. It adapts the aerodynamics of the vehicle to the driving conditions according to the speed and the mode set. This is achieved using a moveable spoiler. The Airbrake is located at the rear edge of the trunk lid. Warning! G i In winter operation, the maximum effectiveness of the Airbrake is only achieved with winter tires (M+S tires) or snow chains as required. The following factors increase the risk of accidents: Excessive speed, especially in turns Wet and slippery road surfaces Following another vehicle too closely The Airbrake cannot reduce this risk. Always adjust your driving style to the prevailing road and weather conditions. G When operating the Airbrake, make sure there is no danger of anyone being harmed by the Airbrake operation (i.e. raising and lowering of flap). Be especially careful when small children are around. 90