Chevrolet 1994 Astro Passenger Owner's Manual page 305

Steering Column Lock Operation - While parked, try to turn the key to
LOCK in each gear shift position.
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The key should turn to LOCK only when the gear shift is in "P"
(Park).
On all vehicles, the key should come out only in LOCK.
Parking Brake and Transmission
" P '
(Park) Mechanism Operation -
-
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your
foot on the regular brake, set the manual parking brake.
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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 T" (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. Lubricate the
body hood, fuel door and rear compartment hinges, latches and locks
including interior glove box and console doors, and any moving seat
hardware. Lubricate the hood safety lever pivot and prop rod pivot. More
frequent lubrication may be required when exposed to a corrosive
environment.
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