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2007 Volvo XC90
watched when driving in hot climates or hilly terrain. Use a lower gear and turn off the air conditioner if the temperature
gauge needle enters the red range.
● If the automatic transmission begins to overheat, a message will be displayed in the text window.
● Hauling a trailer affects handling, durability, and economy.
● It is necessary to balance trailer brakes with the towing vehicle brakes to provide a safe stop (check and observe state/
local regulations).
● Do not connect the trailer's brake system directly to the vehicle's brake system.
● Remove the ball and drawbar assembly when the hitch is not being used.
● Volvo recommends the use of synthetic engine oil when towing a trailer over long distances or in mountainous areas.
NOTE:
● When parking the vehicle with a trailer on a hill, apply the parking brake before putting the gear selector in (P)ark.
When starting on a hill, put the gear selector in (D)rive before releasing the parking brake. Always follow the trailer
manufacturer's recommendations for wheel chocking.
● If you use the manual (Geartronic) shift positions while towing a trailer, make sure the gear you select does not put too
much strain on the engine (using too high a gear).
WARNING!
● Bumper-attached trailer hitches must not be used on Volvos, nor should safety chains be attached to the bumper.
● Trailer hitches attaching to the vehicle rear axle must not be used.
● Never connect a trailer's hydraulic brake system directly to the vehicle brake system, nor a trailer's lighting system
directly to the vehicle lighting system. Consult your nearest authorized Volvo retailer for correct installation.
● When towing a trailer, the trailer's safety wire must be correctly fastened to the hole or hook provided in the trailer
hitch on the vehicle. The safety wire should never be fastened to or wound around the drawbar ball.
pg. 139 Starting and driving
Towing a trailer
Smoother starts with a trailer
Models equipped with the V8-engine and the 6-speed automatic transmission have a built-in function that reduces
acceleration slightly in first gear when the vehicle is towing a trailer. This is done to help avoid wheel spin and to make
starting off smoother.
● This function is activated when the trailer's electrical connector is plugged into the electrical socket mounted near the
trailer hitch.
● The function is automatically deactivated when the trailer's wiring is disconnected from the socket. The vehicle will
then accelerate normally.
NOTE: Since this function is activated when a connector is plugged into the electrical socket near the trailer hitch, it will
be activated by any electrical equipment (e.g. bicycle racks with lighting, etc) that is plugged in, and will remain active
until the equipment is unplugged from the socket.
Leveling
If your vehicle is equipped with automatic leveling, the rear suspension always retains the correct ride height regardless of
the load.
● The system adjusts the rear suspension to the correct level after the vehicle has been driven a short distance.
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