Chevrolet Silverado 2003, Owner'S Manual

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Automatic Transmission Operation
If your vehicle is equipped with an automatic
transmission, it features an electronic shift position
indicator within the instrument panel cluster. This display
must be powered anytime the shift lever is capable of
being moved out of PARK (P). See
Fuses and Circuit
Breakers on page 5-110.
There are several different positions for your shift lever.
PARK (P): This position locks your rear wheels. It’s the
best position to use when you start your engine because
your vehicle can’t move easily. If your vehicle is equipped
with the Allison
®
Transmission, use park for stationary
operation of the Power Takeoff (PTO) (if equipped).
{
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.
Do not 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 will not move, even when you are
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
are pulling a trailer, see “Towing a Trailer” in
the Index.
{
CAUTION:
If you have four-wheel drive, 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,
two-wheel high (2H) or four-wheel high (4H) or
four-wheel low (4L) — not in NEUTRAL. See
“Shifting into Park (P)” in the index.
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