1993 Pontiac Grand Am Owner's Manual - Page 275
1993 Pontiac Grand Am Manual
Page 275 highlights
Maintenance Schedule Section 6: Owner Checks & Services [cant.] I At Least Once a bar (conr~.) CHECK OR SERVICE WHAT TO DO rarmg Brae and Automatic Transaxle P (Park) Mechanism Check - 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 room in frontof your vehicle is in case it begins toroll. Be ready to applythe regular brake at once should the vehicle begin to move. b Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot the regular on brake, set the parking brake. To check the parking brake: With the engine running and the transaxle in N (Neutral), slowly remove footpressure from the regular brake pedal. Do this until the vehicle is held the by parking brake only. To check the P (Park) mechanism's holdingability: Shift to P (Park). Then release all brakes. I Underbody Flushing m . . At least every spring, use plain water to flush corrosive materials from the underbody. Take any care to clean thoroughly any areas where mud and other debris can collect. 274