Hummer 2003 Hummer Automobile User Manual


 
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Automatic Transmission Operation
Your vehicle is equipped with an automatic transmission
that features an electronic shift position indicator located
within the instrument panel cluster.
There are several different positions for your shift lever.
PARK (P): This position locks your wheels. It’s the best
position to use when you start your engine because your
vehicle can’t move easily.
CAUTION:
It is dangerous to get out of your vehicle if the
shift lever is not fully in PARK (P) with the
parking brake firmly set. Your vehicle can roll.
Don’t leave your vehicle when the engine is
running unless you have to. If you have left the
engine running, the vehicle can move suddenly.
CAUTION: (Continued)
CAUTION: (Continued)
You or others could be injured. To be sure your
vehicle won’t move, even when you’re on fairly
level ground, always set your parking brake and
move the shift lever to PARK (P).
See “Shifting Into PARK (P)” in the Index.
If you’re pulling a trailer, see “Towing a Trailer”
in the Index.
CAUTION:
Your vehicle will be free to roll -- even if your
shift lever is in PARK (P)
-- if your transfer case
is in NEUTRAL. So, be sure the transfer case is
in a drive gear
-- not in NEUTRAL. See “Shifting
Into PARK (P)” in the Index.