GMC 2010 T-Series Owner's Manual page 63

Parking Brake (With Hydraulic
Brakes)
If the vehicle has hydraulic brakes, it has a parking
brake lever. The lever is located in the center console.
The vehicle may also be equipped with an automatic
transmission which has a center console shift lever.
This lever will have a P (Park) position on the shift
indicator. Even when P (Park) is selected, be sure to
apply the parking brake firmly so the vehicle will
not move.
To apply the parking brake, pull the lever all the way up.
The park brake light will come on when the parking
brake is applied. See Brake System Warning Light on
page 3 25 for more information. Then shift the
transmission to N (Neutral) for a manual transmission or
P (Park) for an automatic transmission. The vehicle
must be stationary when applying the parking brake,
except while burnishing the parking brake linings. See
Parking Brake Burnish Procedure on page 2 26 for
more information.
Once the parking brake is applied, slowly remove your
foot from the regular brake pedal, while checking to see
if the vehicle moves. If the vehicle does start to move,
press the regular brake pedal and follow the parking
brake burnish procedures. See Parking Brake Burnish
Procedure on page 2 26 for more information.
If the parking brake still does not set, take the vehicle to
your dealer/retailer for service.
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