2015 Cadillac CTS Owner Manual - Page 291

10-28 Vehicle Care . Park Brake and P (Park) Mechanism Check { Warning To check the P (Park) mechanism's holding ability: With the engine running, shift to P (Park). Then release the parking brake followed by the regular brake. Caution (Continued) the vehicle warranty. Do not allow the wiper arm to touch the windshield. To replace the windshield wiper blade: 1. Pull the windshield wiper assembly away from the windshield. The passenger side wiper arm has limited travel. When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move. Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. . Contact your dealer if service is required. Wiper Blade Replacement Windshield wiper blades should be inspected for wear and cracking. Replacement blades come in different types and are removed in different ways. For proper type and length, see Maintenance Replacement Parts on page 11-14. { Caution Allowing the wiper arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that occurs would not be covered by (Continued) To check the parking brake's holding ability: With the engine running and the transmission in N (Neutral), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only.