pressing and releasing the Hill Start Aid
Disable Switch (see Hill Start Aid (HSA)
Disable Switch on page 31).
V
ehicle Facing Uphill – Forward
Mode
Vehicle must be on an incline of 2% or
greater and in a forward mode.
1. Bring vehicle to a stop and depress
the service brakes.
2. Release the service brakes to
launch the vehicle.
WARNING
After Hill Start Aid releases, apply the
vehicle service brake to remain stop-
ped, or use the accelerator pedal to
launch the vehicle. Failure to do so
could result in unintended vehicle
movement resulting in property dam-
age, personal injury, or death.
Vehicle Facing Downhill - Reverse
Mode
Vehicle must be on a decline of 2% or
greater and in Reverse mode.
1.
Bring vehicle to a stop and depress
the service brakes.
2.
Release the service brakes to
launch the vehicle.
WARNING
After Hill Start Aid releases, apply the
vehicle service
brake to remain stop-
ped, or use the accelerator pedal to
launch the vehicle. Failure to do so
could result in unintended vehicle
movement resulting in property dam-
age, personal injury, or death.
Low Mode Operation
WARNING
On slippery surfaces, minimize engine
braking in
Low mode. Excessive en-
gine braking at higher engine rpm may
cause a loss of traction and vehicle
control. Failure to comply may result in
property damage, personal injury, or
death.
NOTE
Activating Low mode while using
cruise control
will downshift the trans-
mission into the lowest gear that also
maintains vehicle speed above the
cruise control minimum speed set-
point, keeping cruise control active.
Canceling cruise control allows the
transmission to downshift into the low-
est gear.
This procedure begins at engine start,
selecting the lowest available gear. If Low
mode is selected while moving, the
transmission will downshift at the earliest
opportunity
, using the higher-than-normal
engine rpm to provide maximum engine
braking.
1. Start the vehicle.
2. Press and hold the service brake.
OPERATION - Low Mode Operation
38 Y53-1349-1A1 (02/2022)
5
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