Cadillac 2000 Catera Owner's Manual page 87

Your vehicle has an automatic transmission shift lock
control system. You have to fully apply the regular
brakes before you can shift from PARK (P) when
the ignition key is in ON. If you cannot shift out of
PARK (P), ease pressure on the shift lever
the shift lever all the way into PARK (P) as you
maintain brake application. Then move the shift lever
into the gear you wish. See "Shifting Out of PARK (P)"
in this section.
REVERSE (R): Use this gear to back up.
To rock your vehicle back and forth to get out of snow,
ice or sand without damaging the transmission, see
"Stuck: In Sand, Mud, Ice or Snow" in the Index.
NEUTRAL (N): The engine doesn't connect with
the wheels when driving in NEUTRAL (N). Use
NEUTRAL (N) to restart your vehicle when you're
already moving or when your vehicle is being towed.
2-22
Shifting out of PARK (P) or NEUTRAL (N) while
--
push
your engine is "racing" (running at high speed)
is dangerous. Unless your foot is firmly on the
brake pedal, your vehicle could move very
rapidly. You could lose control and hit people
or objects. Don't shift out of PARK (P) or
NEUTRAL (N) while your engine is racing.
NOTICE:
Damage to the transmission caused by shifting
out of PARK (P) or NEUTRAL (N) with the
engine racing isn't covered by your warranty.
CAUTION: