STARTING AND OPERATING
249
•
transmission
temperature.
has
reached
normal
operating
OVER TEMP” message may display, and the transmis-
sionmaydownshiftoutofOverdriveuntilthetransmis-
sioncoolsdown.Aftercooldown,thetransmissionwill
resumenormaloperation.
NOTE: If the vehicle is started in extremely cold tem-
peratures,thetransmissionmaynotshiftintoOverdrive
andwillautomaticallyselectthemostdesirablegearfor Inhighambienttemperatureswithsustainedhighengine
operation at this temperature. Normal operation will speedandload,anupshift,followedshortlythereafterby
resume when the transmission fluid temperature has a downshift, may occur. The “TOW/HAUL Indicator
risen to a suitable level. Refer to the “Note” under Light”willturnoff.Thisisanormalpartoftheoverheat
“TorqueConverterClutch”inthissection.
protection strategy when operating in the TOW/HAUL
mode.
5
During cold temperature operation you may notice de-
layed upshifts, depending on engine and transmission ThetransmissionwilldownshiftfromOverdrive,tothe
temperature.Thisfeatureimprovesthewarmuptimeof most desirable gear, if the accelerator pedal is fully
theengineandtransmission.
pressed at vehicle speeds above approximately 35 mph
(56
km/h).
If the transmission temperature gets extremely hot, the
transmissionwillautomaticallyselectthemostdesirable WhentoUseTOW/HAULMode–IfEquipped
gearforoperationatthistemperature.Ifthetransmission Whendrivinginhillyareas,towingatrailer,carryinga
temperaturebecomeshotenough,the“TRANSMISSION heavy load, etc., and frequent transmission shifting oc-
curs, press the TOW/HAUL switch. This will improve
| Categories | Jeep Grand Cherokee Manuals, Jeep Manuals |
|---|---|
| Model Year | 2010 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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