1996 Oldsmobile 88 Owner's Manual - Page 338

Ignition TransaxleLock Check While parked, and with the parking brake try to turn set, the ignition key to LOCK in each shift lever position. 0 Park ona fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set t parking brake. 0 The key should turn to LOCK only when the shift lever is in PARK (P). The key should come out only in LOCK. 0 Parking Brake and Automatic TransaxlePARK (P) Mechanism Check To check the parking brake's holding ability: With the engine running transaxle inNEUTRAL (N), and slowly remove foot pressure from the regular brake pedal. Do this until the vehicle held by the parking is brake only. To check thePARK (P) mechanism's holding ability: With the engine running, shift PARK (P). Then to release all brakes. 0 Underbody FlushingService 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 in case is it begins to roll. Beready to apply the regular brake atonce should the vehicle begin to move. At least every spring, use plain water to flush any corrosive materials from the underbody. care to Take clean thoroughly any areas where mud and other debri can collect. 7-42