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Your vehicle’s transmission uses adaptive shift
controls. Adaptive shift controls continually
compares key shift parameters to pre-programmed
ideal shifts stored in the transmissions computer.
The transmission constantly makes adjustments
to improve vehicle performance according to
how the vehicle is being used, such as with
a heavy load or when temperature changes.
During this adaptive shift controls process,
shifting may feel different as the transmission
determines the best settings.
When temperatures are very cold, the
Hydra-Matic
®
6L80 automatic transmission’s gear
shifting may be delayed providing more stable
shifts until the engine warms up. Shifts may
be more noticeable with a cold transmission.
This difference in shifting is normal.
Driver Shift Control (DSC)
Your vehicle has a Driver Shift Control (DSC).
The DSC controls the vehicle’s transmission and
vehicle speed while driving down hill or towing
a trailer by allowing you to select a desired range
of gears.
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