left “D(-)” and hold it there. The transmission will shift to
the range from which the vehicle can best be slowed
down.
Overdrive Operation
The automatic transmission includes an electronically
controlled Overdrive (5th gear for 3.7L and 3.0L diesel
engine, 4th and 5th gears for 4.7L and 5.7L engines). The
transmission will automatically shift to Overdrive, if the
following conditions are present:
•
the transmission selector is in DRIVE;
•
the engine coolant has reached normal operating tem-
perature;
•
vehicle speed is above approximately 30 mph
(48 km/h);
•
the TOW/HAUL switch has not been activated;
•
transmission
has
reached
normal
operating
temperature.
NOTE:
If the vehicle is started in extremely cold tem-
peratures, the transmission may not shift into Overdrive
and will automatically select the most desirable gear for
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
torque converter clutch, later in this section.
During cold temperature operation you may notice de-
layed upshifts, depending on engine and transmission
temperature. This feature improves the warmup time of
the engine and transmission.
If the transmission temperature gets extremely hot, the
transmission will automatically select the most desirable
gear for operation at this temperature. If the transmission
temperature becomes hot enough, the “TRANSMISSION
292
STARTING AND OPERATING
Summary of Contents for 2009 Grand Cherokee
Page 1: ...GRAND CHEROKEE 2009 owner s manual 9 9 08 8 33 17 AM ...
Page 4: ......
Page 9: ...INTRODUCTION 7 1 ...
Page 12: ......
Page 74: ......
Page 107: ...UNDERSTANDING THE FEATURES OF YOUR VEHICLE 105 3 ...
Page 108: ...106 UNDERSTANDING THE FEATURES OF YOUR VEHICLE ...
Page 109: ...UNDERSTANDING THE FEATURES OF YOUR VEHICLE 107 3 ...
Page 184: ...INSTRUMENT CLUSTER GASOLINE ENGINE 182 UNDERSTANDING YOUR INSTRUMENT PANEL ...
Page 185: ...INSTRUMENT CLUSTER DIESEL ENGINE UNDERSTANDING YOUR INSTRUMENT PANEL 183 4 ...
Page 270: ...268 UNDERSTANDING YOUR INSTRUMENT PANEL ...
Page 275: ...Operating Tips Chart UNDERSTANDING YOUR INSTRUMENT PANEL 273 4 ...
Page 276: ......
Page 336: ...334 STARTING AND OPERATING ...
Page 390: ......
Page 404: ......
Page 499: ...INDEX 10 ...
Page 521: ...Chrysler LLC 81 326 0954 Second Edition Printed in U S A 150920 GrCherokee indd 1 ...