2009 Mercedes SLR McLaren Owner's Manual - Page 299

Operation Vehicle care ! Make sure that the windshield wiper switch is set to 0 ( page 52). Otherwise, the rain sensor could activate and cause the wipers to move unintentionally. This may lead to vehicle damage. Due to the width of the vehicle, fold in exterior rear view mirrors prior to running the vehicle through an automatic car wash to prevent damage to the mirrors. Power washer ! Do not use power washer to clean your vehicle or the engine. Cleaning the windows and wiper blades Remove the SmartKey from the starter switch. ! Do not pull on the wiper blade inserts. They could tear. Fold the wiper arm away from the windshield ( page 363). You must feel the wiper arm engage in position. Clean the wiper blade inserts with a clean cloth and detergent solution. Use a soft, clean cloth and a mild window cleaning solution on all outside and inside glass surfaces. An automotive glass cleaner is recommended. ! The hood must be opened ( i After running the vehicle through an automatic car wash, wipe any wax off of the windshield ( page 299). This will prevent smears and reduce wiping noise which can be caused by residual wax on the windshield. page 250) before folding the wiper arm away from the windshield. You could otherwise damage the hood and/or the wiper arms. ! Never open or close the hood when the wiper arms are folded away from the windshield. You could otherwise damage the hood and/or the wiper arm. Warning! G For safety reasons, switch off wipers and remove SmartKey from starter switch before cleaning the wiper blades. Otherwise the wiper motor could suddenly turn on and cause injury. ! To clean the window interior, do not use a dry cloth, abrasives, solvents or cleaners containing solvents. Do not touch the inside of the front, rear or door windows with hard objects such as an ice scraper or ring. Doing so may damage the windows. 299