Ignition Transmission Lock Check; Underbody Flushing Service - GMC Chevrolet SSR 2003 Owner's Manual

Ignition Transmission Lock Check

While parked, and with the parking brake set, try to turn
the ignition key to OFF in each shift lever position.
•
The key should turn to OFF only when the shift
lever is in PARK (P).
•
The key should come out only in OFF.
Parking Brake and Automatic
Transmission Park (P) Mechanism
Check
CAUTION:
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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 is room in front of your
vehicle in case it begins to roll. Be ready to
apply the regular brake at once should the
vehicle begin to move.
6-12
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 and transmission 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, shift to PARK (P). Then
release the parking brake followed by the regular
brake.

Underbody Flushing Service

At least every spring, use plain water to flush any
corrosive materials from the underbody. Take care to
clean thoroughly any areas where mud and other
debris can collect.