1996 Pontiac Bonneville Owner's Manual - Page 354

Steering Column Lock Check While parked,and with the parking brake set, to turn try the keyto.LOCK in each shift lever position. The key shouldturn to LOCK only when the shift lever is in PARK (P). The key should come out only in LOCK. Parking Brake and Automatic 'kansaxle PARK (P) Mechanism Check Park on a fairly steep hill, with the vehicle facing foot on the regular brake, set the downhill. Keeping your parking brake. To check the parking brake: With the engine running and transaxlein NEUTRAL (N), slowly remove foot Do pressure from the regular brake pedal. this until the vehicle is held by the parking brake only. To check the PARK (P) mechanism's holding ability: with the enginerunning, shift toPARK (P). Then release all brakes. Underbody Flushing Service At least everyspring, use plain water to flush any When you are doing this check, your vehicle could begin to move. You or others could be injured and propertycould be damaged. Make sure there is room in front of your vehicle in case it begins to.rol1.Be ready to apply the regular brake atonce should the vehicle begin to move. corrosive materials from the underbody. Take care to clean thoroughly any areas where mud and other debris can collect. 7-39 . . I