Porsche Carrera 911 997 owners manual page 62

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

Brake booster Brake wear Brake pads The brake booster assists braking only when Your car has excellent brakes, but they are still Wear on the brake pads and brake discs depends the engine is running. subject to wear. The rate at which they wear de-to a great extent on the driving style and the con- When the car is moving while the engine is not run-pends on how the brakes are used. ditions of use and therefore cannot be expressed ning, or if the brake booster is defective, more f Have the brake system inspected at the in actual miles on the road. pressure on the brake pedal is required to bring intervals recommended in your Maintenance The high-performance brake system is designed the car to a stop. Booklet. for optimal braking effect at all speeds and tem- If this happens, ABS and PSM will also not oper- peratures. ate. Brake system warning lightCertain speeds, braking forces and ambient Moisture or road salt on brakes affects braking.You can check the functionality of the brake conditions (such as temperature and humidity) When the vehicle is driven on salted or sanded system warning light by switching the ignition to therefore might cause “brake noises”. roads for extended periods, the brakes should be the "On" position and verifying that the warning New brake pads or linings washed down thoroughly about every 2 weeks. An light illuminates. automatic carwash facility cannot do this job prop-New brake pads and brake discs have to be “bro- erly. Warning light USA ken in”, and therefore only attain optimal friction Brakes will dry after a few cautious brake applica-when the car has covered several hundred miles tions. Warning light Canada or km. The slightly reduced braking ability must be com- Warning! pensated for by pressing the brake pedal harder. If the warning lights in the instrument panel and on-This also applies whenever the brake pads and Risk of an accident, resulting in serious per-board computer stay on when the engine is run-brake discs are replaced. sonal injury or death. ning or come on while driving, the brake pads are Driving through water may reduce the trac-worn excessively. tion. f Do not continue to operate the vehicle. Moisture on brakes from road water, car Have your authorized Porsche dealer inspect wash, or coating of road salt may affect or replace the brake pads. braking efficiency. f Cautiously apply brakes to test brakes after ex- posure to road water, etc. 60 Operation, Safety

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