Jeep 2008 Grand Cherokee SRT - Manual (Page 251)

Autostick Operation
By placing the shift lever in the D (Drive) position the
lever can be moved from side to side. This allows the
driver to engage the AutoStick mode. Moving the shift
lever to the right (+) or the left (-) will engage the
Autostick mode. In normal driving mode (Boxed “D”
displayed in the PRNDL), moving the shift lever to the
right (+) will engage the Autostick mode putting the
transmission in the currently engaged gear. Moving the
shift lever to the Left (-) will engage the Autostick mode
and downshift the transmission 1 gear. For example, the
transmission is in Normal Mode and is currently operat-
ing in 3rd gear, a boxed D is displayed in the PRNDL, a
push to the right will engage the Autostick mode in 3rd
and a Boxed 3 will be displayed in the PRNDL. A push to
the left (-) will engage Autostick mode and downshift to
2nd gear and a Boxed 2 will be displayed in the PRNDL.
Once Autostick mode is engaged a move to the Right (+)
or left (-) will trigger a upshift (+) or trigger a downshift
(-).
NOTE: In the Autostick mode, the transmission will
only shift up and down when Left or Right (D-/D+) is
manually selected by the driver.
The transmission will not allow a downshift if the
downshift would result in a engine overspeed condition.
The transmission will always allow a upshift from 1st to
2nd gear, however 2nd - 3rd, 3rd - 4th, and 4th – 5th
upshifts will not be allowed if the vehicle speed is to low
to maintain operation in the selected gear. The transmis-
sion will automatically downshift as the vehicle slows to
a stop.
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