1999 Chevrolet Prizm Owner's Manual - Page 321

yellowblue Ignition Transaxle Lock Check While parked, and with the parking brake set, try to turn the ignition key to LOCK in each shift lever position. Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. D With an automatic transaxle, the key should turn to LOCK only when the shift lever is in PARK (P). LOCK only if you push the key in farther, while turning it towards LOCK. D To check the parking brake's holding ability: With D With a manual transaxle, the key should turn to the engine running and transaxle in NEUTRAL (N), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only. With the engine running, shift to PARK (P). Then release all brakes. D To check the PARK (P) mechanism's holding ability: Parking Brake and Automatic Transaxle PARK (P) Mechanism Check Underbody Flushing Service CAUTION: When you are doing this check, your vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of your vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move. 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. 7-41