258
STARTING AND OPERATING
NOTE: If the vehicle is started in extrem ely cold tem -
peratu res, the transm ission may not shift into Overd rive
and will autom atically select the most desirable gear for
operation at this tem peratu re. Norm al operation will
resu me when the transm ission fluid tem peratu re has
risen to a suitable level. Refer also to the Note und er
torqu e converter clutch, later in this section.
OVER TEMP” message may display and the transm is-
sion may downshift out of Overd rive until the transm is-
sion cools down. After coold own, the transm ission will
resu me norm al operation.
In high ambient tem peratu res with sustained high engine
speed and load , an upshift follow ed shortly thereafter by
a downshift may occur. This is a norm al part of the
overheat protection strategy when operating in the
“Tow/ Haul” mode.
During cold tem peratu re operation you may notice de-
layed upshifts depend ing on engine and transm ission
tem peratu re. This featu re improves the warm up time of
the engine and transm ission.
The transm ission will downshift from Overd rive to the
most desirable gear if the accelerator pedal is fully
depressed at vehicle speed s above approxim ately 35 mph
(56 km/ h).
If the transm ission tem peratu re gets extrem ely hot, the
transm ission will autom atically select the most desirable
gear for operation at this tem peratu re. If the transm ission
tem peratu re becom es hot enou gh, the “TRANSMISSION
WhenToUse“TOW/HAUL”Mode—IfEquipped
When driving in hilly areas, tow ing a trailer, carrying a
heavy load , etc., and frequ ent transm ission shifting oc-
curs, press the “TOW/ HAUL” button. This will improve
perform ance and red uce the potential for transm ission
| Categories | Jeep Grand Cherokee Manuals, Jeep Manuals |
|---|---|
| Model Year | 2006 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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