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Operation
Driving instructions
ț If the transmission repeatedly shifts
between gears on inclines, manually
shift to a lower gear (select 4, 3, 2 or 1)
(
୴ page 200).
A lower gear and reduction of speed re-
duces the chance of engine overload-
ing and/or overheating.
ț On very steep inclines, not manageable
with automatic transmission in 1,
switch on off-road driving program
(
୴ page 280) or LOW RANGE mode*
(
୴ page 203).
ț When going down a long hill, shift into
a lower gear and use the engine’s brak-
ing effect.
Avoid riding the brakes, thus overheat-
ing the vehicle and trailer brakes.
ț If the engine coolant rises to an ex-
tremely high temperature (coolant tem-
perature needle approaching the red
zone) when the air conditioning is on,
turn off the air conditioning system.
Engine coolant heat can be additionally
vented by opening the windows,
switching the climate control fan speed
to high and setting the temperature
control to the maximum hot position.
ț Extreme care must be exercised since
your vehicle with a trailer will require
additional passing distance ahead than
when driving without a trailer.
Because your vehicle and trailer is
longer than your vehicle alone, you will
also need to go much farther ahead of
the passed vehicle before you can re-
turn to your lane.
Uncoupling the trailer
!
If the trailer should begin to sway, reduce
the vehicle’s speed immediately.
In no case attempt to straighten out the tow
vehicle and trailer by increasing the speed.
Warning! G
While you are coupling or decoupling a trail-
er, make sure that you do not
ț lock or unlock
ț open or close
a vehicle door or the tailgate.
The vehicle’s level could change and you
could endanger yourself and/or others as a
result.
Make sure that you do not operate the ADS
button* (
୴ page 281) or the vehicle level
control system (
୴ page 281) when cou-
pling/decoupling the trailer.