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165Starting and driving
Driving in hilly country with a
heavy load
The transmission fluid can overheat when
the gearbox is strained, for example, when
driving with a trailer on hilly roads. To avoid
the transmission fluid overheating, always
drive with the selector lever in the D posi-
tion. The adaptive gear change patterns are
then active.
High air temperatures or a faulty oil cooler
can also cause the transmission fluid to
overheat. Overheating reduces the service
life of the fluid.
Towing
Towing of cars with automatic transmission,
see page 195.
Descending hills
If the speed of the car increases while
descending a steep hill, despite the acceler-
ator being released, the control module will
change down. If you desire more powerful
engine braking, manually select a lower
gear (see page 168).
Limp-home
If the transmission malfunctions, the control
module will activate limp-home mode. Driv-
ability will be affected to varying degrees.
The following message is shown on the SID:
WARNING
Remember to use the braking effect of the
engine (1st, 2nd or 3rd gear) when you
are descending long or steep hills to
spare the brakes.
Overheating can cause the brakes to
fade!
NOTICE
Do not tow a trailer if limp-home mode is
engaged.
Gearbox malfunction.
Limited performance.
93_U S_M 07.book Page 165 W ednesday, April 12, 2006 9:30 AM