Porsche Carrera 911 997 owners manual page 230

text version of content this owner's manual page from owners manual to the vehicle Porsche Carrera 911, year of production 2004 - 2011:

Windows Wiper blades Undercoating The road dust which settles on the windshield and Wiper blades that are in perfect condition are vital As it is not possible to exclude the risk of damage windows contains particles of tire rubber and oil for a clear view. to this protective coating in day to day driving, it residue. The interior trim and upholstery release f Please see the chapter “WIPER BLADES” on is advisable to have the underside of the car in- particles, particularly in strong sunlight, which col-Page 223.spected at certain intervals – preferably before lect on the insides of the windows. These deposits the start of winter and again in spring – and the un- are augmented by impurities in the air which en-f Replace the wiper blades twice per year (be-dercoating restored as necessary. ters the car through the fresh air vents. fore and after the cold season) or whenever Your authorized Porsche dealer is familiar with the f Clean all windows regularly, inside and outside, wiper performance deteriorates or the blades bodyseal treatment procedures and has the nec- with Porsche window cleaner. are damaged. essary equipment for applying factory approved f If you use a chamois leather for the windows, f Periodically clean the wiper blades with materials. We recommend that you entrust them do not use it for paintwork as it will otherwise Porsche window cleaner, especially after the with such work and inspections. pick up a certain amount of preservative or vehicle has been washed in a car wash.Unlike conventional spray oils, undercoating and polish and could smear the windows and thus If they are very dirty (e.g. with insect remains), rust-proofing compounds based on bitumen or impair vision. they can be cleaned with a sponge or cloth. wax do not attack the sound-proofing materials ap- f Remove dead insects with Porsche insect re-If the wiper blades rub or squeak, this can be as a plied at the factory. mover. result of the following: – If the vehicle is washed in an automatic car Warning! Note wash, residues may adhere to the windshield. Danger of fire resulting in serious personal Door windows feature a water-repellent (hydro-These wax residues can be removed only by injury or death. phobic) coating which prevents soiling of the using window cleaner concentrate. f Do not apply additional undercoating or rust- windows. – The wiper blades may be damaged or worn.proofing on or near the exhaust manifold, ex- This coating is subject to natural wear and can be – Replace damaged or worn wiper blades imme-haust pipes, catalytic converters or heat renewed. diately. shields. During driving the substance used for f Consult an authorized Porsche dealer. undercoating could overheat and ignite. f Please see the chapter “WASHER FLUID” on Page 220. f Before applying fresh underseal, carefully re- f Please contact your authorized Porsche dealer move any deposits of dirt and grease. Once it for further information. has dried, the new undercoating compound forms a tough protective coating which pro- vides efficient rust-proofing of the floor panels and components. 228 Maintenance, Car Care

owners manual Porsche Carrera 911

owners manual Porsche Carrera 911 - year of production: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 - Porsche Carrera 911 997 owners manual EN