1997 Chevrolet Blazer Owner's Manual - Page 368

Ignition Transmission Lock Check While parked, and with the parking brake set, try to turn the ignition key to LOCK in each shift lever position. 0 Parking Brake and Automatic Transmission PARK (P) Mechanism Check With an automatic transmission, the key should turn to LOCK only when the shift lever isin PARK (P). With a manual transmission, the key should turn to LOCK only when the shift lever is in REVERSE (R). I A CAUTION: 0 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 when you press the key button. On all vehicles, the key should come out only in LOCK. When you are doing this check, your vehicle could begin to move. You or otherscould be injured and property could be damaged. Make sure there is room in front of your vehicle in case it begins to roll. Be ready to apply the regular brake atonce should thevehicle begin to move. ~ ~ ~ ~ ~ _ ~ ~~ _ ~ _ _ ~ ~ ~ ~ Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. To check the parking brake's holding ability: With the engine running andtransmission in NEUTRAL (N), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the parking brake only. To check the PARK (P) mechanism's holding ability: With the engine running, shiftto PARK (P). Then release all brakes. 7-49