Chevrolet 1994 Astro Passenger Owner's Manual page 78

Ensure the shift lever is fully in "P"
(Park) range before starting the engine.
Your vehicle has
a
brake-transmission shift interlock. You have to fully
apply your regular brakes before you can shift from "P" (Park) when the
ignition key is in the RUN position. If you cannot shift out of
" P '
(Park),
ease pressure on the shift lever - push the shift lever all the way into
"P" (Park) as you maintain brake application. Then move the shift lever into
the gear you wish. See "Shifting Out of 'P' (Park)"in this part.
R (Reverse)
-
Use this gear to back up.
NOTICE:
Shifting to
"R"
(Reverse) while your vehicle is moving forward
could damage your transmission. Shift to
"R"
(Reverse) only
after your vehicle is stopped.
To rock your vehicle back and forth to get out of snow, ice
or sand
without damaging your transmission, see "If You're Stuck: In Sand,
Mud, Ice or Snow" in the Index.
N (Neutral)
-
In this position, your engine doesn't connect with the
wheels. To restart when you're already moving, use
" N '
(Neutral) only.
Also, use "N" (Neutral) when your vehicle is being towed.
-
NOTICE:
Damage to your transmission caused by shifting out of "P"
(Park) or "N" (Neutral) with the engine racing isn't covered by
your warranty.
1
2- 18