2006 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 121

2006 Chevrolet Silverado 1500 Pickup Manual

Page 121 highlights

DRIVE (D): This position is for normal driving. If you need more power for passing, and you are: • Going less than about 35 mph (55 km/h), push your accelerator pedal about halfway down. • Going about 35 mph (55 km/h) or more, push the accelerator all the way down. By doing this, the vehicle shifts down to the next gear and has more power. DRIVE (D) can be used when towing a trailer, carrying a heavy load, driving on steep hills, or for off-road driving. You may want to shift the transmission to THIRD (3) or, if necessary, a lower gear selection if the transmission shifts too often. If your vehicle has the Allison Transmission®, it will shift into first range when DRIVE (D) is selected. As vehicle speed increases, the transmission will upshift automatically through each available range up to SIXTH (6). As the vehicle slows, the transmission will downshift automatically. The Allison Transmission® uses a shift stabilization feature that adjusts the transmission shifting to the current driving conditions in order to reduce rapid upshifts and downshifts. This shift stabilization feature is designed to determine before making an upshift if the engine will be able to maintain vehicle speed by analyzing things such as throttle position, vehicle load, and hill grade. If the shift stabilization feature determines that current vehicle speed cannot be maintained, the transmission does not upshift and instead holds the current gear. In some cases, this may appear to be a delayed shift, however the transmission is operating normally. The Allison Transmission® also uses adaptive shift controls. Adaptive shift controls continually compares key shift parameters to pre-programmed ideal shift conditions. The Allison Transmission® constantly makes adjustments to improve vehicle performance according to the way the vehicle is being used, such as with a heavy load. During this adaptive shift controls process, some shifts may feel different as the transmission determines optimum settings for a particular shift. MANUAL MODE (M): This position, is available on vehicles with the Allison Transmission®. It lets drivers select the range of gears appropriate for current driving conditions. If your vehicle has this feature, see Range Select Mode (Allison Transmission®) later in this section. THIRD (3): This position is also used for normal driving, however it offers more power and lower fuel economy than DRIVE (D). 2-27

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DRIVE (D):
This position is for normal driving. If you
need more power for passing, and you are:
Going less than about 35 mph (55 km/h), push your
accelerator pedal about halfway down.
Going about 35 mph (55 km/h) or more, push the
accelerator all the way down.
By doing this, the vehicle shifts down to the next gear
and has more power.
DRIVE (D) can be used when towing a trailer, carrying a
heavy load, driving on steep hills, or for off-road
driving. You may want to shift the transmission to
THIRD (3) or, if necessary, a lower gear selection if the
transmission shifts too often.
If your vehicle has the Allison Transmission
®
, it will shift
into first range when DRIVE (D) is selected. As
vehicle speed increases, the transmission will upshift
automatically through each available range up to
SIXTH (6). As the vehicle slows, the transmission will
downshift automatically.
The Allison Transmission
®
uses a shift stabilization
feature that adjusts the transmission shifting to
the current driving conditions in order to reduce rapid
upshifts and downshifts. This shift stabilization feature is
designed to determine before making an upshift if the
engine will be able to maintain vehicle speed by
analyzing things such as throttle position, vehicle load,
and hill grade. If the shift stabilization feature
determines that current vehicle speed cannot be
maintained, the transmission does not upshift and
instead holds the current gear. In some cases, this may
appear to be a delayed shift, however the transmission
is operating normally.
The Allison Transmission
®
also uses adaptive shift
controls. Adaptive shift controls continually compares
key shift parameters to pre-programmed ideal shift
conditions. The Allison Transmission
®
constantly makes
adjustments to improve vehicle performance according
to the way the vehicle is being used, such as with a
heavy load. During this adaptive shift controls process,
some shifts may feel different as the transmission
determines optimum settings for a particular shift.
MANUAL MODE (M):
This position, is available on
vehicles with the Allison Transmission
®
. It lets drivers
select the range of gears appropriate for current
driving conditions. If your vehicle has this feature, see
Range Select Mode (Allison Transmission
®
) later in this
section.
THIRD (3):
This position is also used for normal driving,
however it offers more power and lower fuel economy
than DRIVE (D).
2-27