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transmission will downshift to fourth gear and the dis-
play will show 4. Another tap to the left (-) will shift the
transmission into third gear.
5.7L Engine
On vehicles equipped with the 5.7L engine, use of ERS (or
TOW/HAUL mode) also enables an additional under-
drive gear which is not normally used during through-
gear accelerations. This additional gear improves vehicle
performance and cooling capability when towing a trailer
on certain grades. ERS 1, 2, and 3 are underdrive gears;
ERS 4 is direct drive. ERS 5 (Overdrive) is the same as the
normal 4th gear. When in the DRIVE position in first
through fourth gear, the first tap to the left (-) will display
the ERS designation for the current gear (the transmis-
sion will not downshift). For example, if you are in
DRIVE and are in third (direct) gear, when you tap the
shift lever one time to the left (-), the display will show 4
(ERS 4 is direct gear). Another tap to the left (-) will shift
the transmission down to ERS 3 (the added underdrive
gear). When in the DRIVE position in fifth gear, the first
tap to the left (-) will downshift the transmission and
display 5 (ERS 5 is the same as normal fourth gear).
Another tap to the left (-) will shift the transmission
down to ERS 4 (direct gear).
WARNING!
Do not downshift for additional engine braking on a
slippery surface. The drive wheels could lose their
grip and the vehicle could skid.
Screen Display 12345*D
Actual Gear(s) Allowed 1 1-2 1-3 1-4 1-5 1-5
* Applies to vehicles equipped with 5.7L engines only.
NOTE:
To select the proper gear position for maximum
deceleration (engine braking), move the shift lever to the
left “D(-)” and hold it there. The transmission will shift to
the range from which the vehicle can best be slowed down.
346 STARTING AND OPERATING
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