Chevrolet Express Owner Manual - 2012 - crc - 11/11/11
Driving and Operating 9-21
parking brake is firmly set before
you leave it. After you move the shift
lever into P (Park), hold the regular
brake pedal down. Then, see if you
can move the shift lever away from
P (Park) without first pulling it toward
you. If you can, it means that the
shift lever was not fully locked into
P (Park).
Torque Lock
If you are parking on a hill and you
do not shift the vehicle into P (Park)
properly, the weight of the vehicle
may put too much force on the
parking pawl in the transmission.
You may find it difficult to pull the
shift lever out of P (Park). This is
called torque lock. To prevent torque
lock, set the parking brake and then
shift into P (Park) properly before
you leave the driver seat. To find out
how, see “Shifting Into Park”
previously in this section.
When you are ready to drive, move
the shift lever out of P (Park) before
you release the parking brake.
If torque lock does occur, you may
need to have another vehicle push
yours a little uphill to take some of
the pressure from the parking pawl
in the transmission, so you can pull
the shift lever out of P (Park).
Shifting out of Park
The vehicle has an automatic
transmission shift lock control
system. You have to fully apply the
brakes before you can shift from
P (Park) when the ignition is in ON/
RUN or ACC/ACCESSORY. See
Automatic Transmission (Six Speed)
on page 9‑23 or Automatic
Transmission (Four Speed) on
page 9‑26.
The shift lock control system is
designed to do the following:
.
Prevent the ignition key from
being removed unless the shift
lever is in P (Park).
.
Prevent movement of the shift
lever out of P (Park), unless the
ignition is in ON/RUN or ACC/
ACCESSORY and the regular
brake pedal is applied.
The shift lock control system is
always functional except in the case
of a dead battery or low voltage
(less than 9 V) battery.
If the vehicle has an uncharged
battery or a battery with low voltage,
try charging or jump starting the
battery. See Jump Starting on
page 10‑80 for more information.
To shift out of P (Park) use the
following:
1. Apply the brake pedal.
2. Turn the ignition to ACC/
ACCESSORY or ON/RUN.
3. Move the shift lever to the
desired position.
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