1995 Oldsmobile Achieva Owner's Manual - Page 306

Brake-Transaxle Shift Interlock BTSI (Automatic Transaxle) -- Steering Column Lock While parked, and with the parking brake set, try to turn the key to LOCK in each shift lever position. With an automatic transaxle, the key should turn to LOCK only when the shift lever is in PARK (P). When you are doingthis check, the vehicle could you 'move suddenly. If it does, or others could. be 0 With a manual transaxle, the key should turn to LOCK only when the shift lever is in REVERSE (R). 1. Before you start, be sure you have enough room around the vehicle. It should be parked ona level surface. On vehicles with a key release button, try to turn the key to LOCK without pressing the button. The key should turn to LOCK only with the key button depressed. On all vehicles, the key should come out only in LOCK. 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 the RUN position, but don't start the engine. Without applying the regular brake, try to move the shift lever outof PARK (P) with normal effort. If the shift lever moves out of PARK (P), your vehicle's BTSI needs service. 7-3s