292
STARTING AND OPERATING
left“D(-)”andholditthere.Thetransmissionwillshiftto
the range from which the vehicle can best be slowed
down.
• transmissiontemperature.
has
reached
normal
operating
NOTE: If the vehicle is started in extremely cold tem-
peratures,thetransmissionmaynotshiftintoOverdrive
andwillautomaticallyselectthemostdesirablegearfor
operation at this temperature. Normal operation will
resume when the transmission fluid temperature has
risen to a suitable level. Refer also to the Note under
torqueconverterclutch,laterinthissection.
OverdriveOperation
The automatic transmission includes an electronically
controlled Overdrive (5th gear for 3.7L and 3.0L diesel
engine,4thand5thgearsfor4.7Land5.7Lengines).The
transmissionwillautomaticallyshifttoOverdrive,ifthe
followingconditionsarepresent:
•
•
thetransmissionselectorisinDRIVE;
During cold temperature operation you may notice de-
layed upshifts, depending on engine and transmission
temperature.Thisfeatureimprovesthewarmuptimeof
theengineandtransmission.
theenginecoolanthasreachednormaloperatingtem-
perature;
•
•
vehicle speed is above approximately 30 mph
If the transmission temperature gets extremely hot, the
transmissionwillautomaticallyselectthemostdesirable
gearforoperationatthistemperature.Ifthetransmission
temperaturebecomeshotenough,the“TRANSMISSION
(48
km/h);
theTOW/HAULswitchhasnotbeenactivated;
| Categories | Jeep Grand Cherokee Manuals, Jeep Manuals |
|---|---|
| Model Year | 2009 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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