1997 Oldsmobile Cutlass Supreme Owner's Manual - Page 323

Park on a fairly steephill, with the vehicle facing While parked, and with the parking brake set, try to turn downhill. Keeping your foot on the regular brake, set the parking brake. the ignition keyto OFF in each shift lever position. To check the parking brake's holding ability: With The key should turn to OFF only when the shift lever the engine running and transaxle NEUTRAL in (N), is in PARK (P). slowly remove foot pressure from the regular brake On all vehicles, the key should come out only in OFF. pedal. Do this until the vehicle is held by the parking brake only. Parking Brake and Automatic Transaxle PARK (P) To check the PARK (P) mechanism's holding ability: MecT m. , ' leck With the engine running, shift to PARK (P). Then release all brakes. Ignition Transaxle Lock Check Underbody FlushingService At least every spring, use plain water to flush any corrosive materials from the underbody. Take care to clean thoroughly any areas where mud and other debris can collect. When you are doing thischeck, your vehicle could begin to move. You or others could be injured and property could be damaged. Make sure thereis room in front of your vehicle in case it begins to roll. Be ready toapply the regular brake at once should the vehicle begin to move. 7-40