1995 Pontiac Trans Sport Owner's Manual - Page 371

3. With the engine off, turn the key to the RUN position, but don't start engine. Without applying regular the the brake, try to move shift lever out of PARK (P) with the normal effort. If the shift lever moves out of PARK (P), your vehicle's BTSI needs service. Steering ColumnLock While parked, and with the parking brake set, try to turn the 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 fairlysteep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. To check the parking brake: With the engine running and transaxle in NEUTRAL(N), slowly remove foot pressure from the regular brake pedal. Do this until the vehicleis held by the parking brake only. 0 To check the PARK (P) mechanism's holding ability: Shift to PARK (P). Then release all brakes. 0 Parking Brake and Automatic Transaxle PARK (P) Mechanism Check Underbody Flushing At least every spring, use plain waterto flush any corrosive materialsfrom the underbody. Takecare to clean thoroughly anyareas where mud and other debris can collect. 7-38