1998 Chevrolet Blazer Owner's Manual - Page 378

Ignition Transmission Lock Check While parked, and with the parking brakeset, try to turn the ignition keyto LOCK in each shift lever position. 0 Park on a fairlysteep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the parking brake. 0 With an automatic transmission, the key should turn to LOCK only when the shift lever is in PARK (P). With a manual transmission,the key should turn to LOCK only when the shift leveris in REVERSE (R). 0 To check the parking brake's holding ability: With the engine running and transmission in NEUTRAL (N), slowly remove foot pressure from the regular brake pedal. this until the vehicleis Do held by the parking brake only. On vehicles with a key release button, try to turn the key to LOCK without pressing thebutton. The key should turn to LOCK only whenyou press the key button. On all vehicles,the key should come out only in LOCK. Parking Brake and Automatic Transmission PARK (P) Mechanism Check 0 To check thePARK (P) mechanism's holding ability: With the engine running, shiftto PARK (P). Then release all brakes. Underbody Flushing Service At least every spring, use plain water flush any to corrosive materials from the underbody. Take to care clean thoroughly any areas where mud anddebris can collect. When you are doing this check, your vehicle could beginto move. You or otherscould be injured and property could be damaged.Make sure thereis room in front your vehicle in case of it begins to roll. Be ready to apply the regular brake atonce should the vehicle begin to move. 7-42