1996 Buick Park Avenue Owner's Manual - Page 358

2. Firmly apply both theparking brake (see "Parking Brake" in the Index if necessary) and the regular brake. NOTE: Do not use the accelerator pedal, and be ready to turn off theengine immediately if it starts. 2. Firmly apply the parking brake (see "Parking Brake" in the Index if necessary). NOTE: Be ready to apply the regular brake immediately if the vehicle begins to move. 3. With the engine off, turn the key to theRUN position, but don't start the engine. Without applying the regular brake, try to move the shift lever out of PARK (P) with normaleffort. If the shift lever moves out of PARK (P), your vehicle's BTSI needs service. 3. Try to start the engine in each gear.The starter should work only in PARK (P) NEUTRAL (N). If or the starter works in any other position, your vehicle needs service. Brake-Transaxle Shift Interlock(BTSI) Check Steering Column Lock Check While parked, and with the parking brake set, try to turn the key to LOCK in each shift lever position. When you are doing this check, the vehicle could move suddenly. Ifit does, you or others couldbe injured. Follow the steps below. 1. Before you start, be sure you have enough room around the vehicle. It should be parkedon a The key should turn to LOCK only when the shift lever is in PARK (P). The key should come out only in LOCK. level surface.