1997 Pontiac Grand Prix Owner's Manual - Page 386

Ignition Transaxle Lock Check While parked, and with the parking brake set, t y to turn r the ignition key to LOCK in each shift lever position. The key should turn to LOCK only when the shift lever is in PARK (P). The key should come out only in LOCK. Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake, To check the p,arking brake's holding ability: With the engine running and transaxle in NEUTRAL (N), slowly remove foot pressure fiom the regular brake pedal. D'o this until the vehicle is held by the parking brake only. Parking Brake and Automatic Transaxle PARK (P) MecT nism I-- leck I When you are d ng this check, your vehicle could beginto move. You or others could be injured andproperty could be damaged. Make sure thereis room infront of your vehicle in case it begins to roll.Be ready to apply the regular once should the vehicle begin to move. brake at To check the PARK (P) mechanism's holding ability: With the engine running, shift to PARK (a).Then release all brakes. Underbody Flushing Service 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. 7-42