GMC SIERRA 1994 Manual page 372

On vehicles with a key release lever, try to turn the key to LOCK without
pressing the lever. The key should turn to LOCK only with the key lever
depressed.
On all vehicles, the key should come out only in LOCK.
Parking brake and transmission "P" (PARK) mechanism operation
-
I
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your
foot on the regular brake, set the manual parking brake.
To check the parking brake: With the engine running and the
transmission in "N" (Neutral), slowly remove foot pressure from the
regular brake pedal. Do this until the vehicle is held by the parking
brake only.
0
To check the
" P '
(Park) mechanism's holding ability: Apply the regular
brake and shift to
" P '
(Park). Release the manual parking brake, then
slowly release the regular brake.
Lap and Shoulder Belts Condition and Operation
-
Inspect belt system,
including webbing, buckles, latch plates, retractors, guide loops and
anchors. Have a belt assembly replaced if the webbing has been cut or
otherwise damaged.
Body Lubrication Service
-
Lubricate all body door hinges with engine
oil. Also lubricate the tailgate, tailgate handle pivot points, and tailgate
mounted spare tire carrier (if equipped}. Lubricate the body hood, fuel door
and rear compartment hinges, latches and locks including interior glove box
and console doors, and any folding seat hardware. Lubricate the hood safety
lever pivot and prop rod pivot. More frequent lubrication may be required
when exposed to a corrosive environment.
Periodic Maintenance Inspections
-
Listed below are inspections and
services which should be performed at least twice a year (for instance each
spring or fall). You should let your GM dealer's service department or other
qualified service center do these jobs. Make sure any necessary repairs are
completed at once.
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