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Automatic Transmission Operation
Your vehicle has a Hydra-Matic
®
6L80 automatic
transmission, and has an electronic shift position
indicator within the instrument panel cluster. The
electronic shift position indicator displays when the
shift lever is moved out of PARK (P).
There are several different positions for the shift lever.
PARK (P): This position locks your rear wheels.
It is the best position to use when you start your
engine because your vehicle cannot move easily.
When parked on a hill, especially when the vehicle
has a heavy load, you may notice an increase in
the effort to shift out of PARK (P). See Torque Lock
(Automatic Transmission) under Shifting Into PARK (P)
on page 2-42 for more information.
{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. 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)
on page 2-42. If you are pulling a trailer,
see Towing a Trailer on page 4-43.
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