(Four Speed) - Chevrolet 2013 Express Owner's Manual

9-26 Driving and Operating
Notice: Spinning the tires or
holding the vehicle in one place
on a hill using only the
accelerator pedal may damage
the transmission. The repair will
not be covered by the vehicle
warranty. If you are stuck, do not
spin the tires. When stopping on
a hill, use the brakes to hold the
vehicle in place.
Normal Mode Grade Braking
Vehicles with a 6-Speed automatic
transmission have Normal Mode
Grade Braking that is enabled when
the vehicle is started, but is not
enabled in Range Selection Mode.
It assists in maintaining desired
vehicle speeds when driving on
downhill grades by using the engine
and transmission to slow the
vehicle. The first time the system
activates for each ignition key cycle,
a DIC message will be displayed.
See Transmission Messages on
page 5 40.
To disable or enable Normal Mode
Grade Braking within the current
ignition key cycle, press and
hold the Tow/Haul button for
three seconds. A DIC message
displays. See Transmission
Messages on page 5 40.
For other forms of grade braking,
see Tow/Haul Mode on page 9 29
and Cruise Control on page 9 34.
Automatic Transmission

(Four Speed)

There are several different positions
for the shift lever.
P (Park): This position locks the
rear wheels. It is the best position
to use when you start the engine
because the vehicle cannot move
easily.
WARNING
It is dangerous to get out of the
vehicle if the shift lever is not fully
in P (Park) with the parking brake
firmly set. The vehicle can roll.
Do not leave the vehicle when the
engine is running. If you have left
the engine running, the vehicle
can move suddenly. You or others
could be injured. To be sure the
vehicle will not move, even when
you are on fairly level ground,
always set the parking brake
and move the shift lever to
P (Park). See Shifting Into Park
on page 9 20 and Driving
Characteristics and Towing Tips
on page 9 48.
Make sure the shift lever is fully in
P (Park) before starting the engine.
The vehicle has an automatic
transmission shift lock control
system. You must first press the