Volvo XC90 2004 Owner's Manual page 133

2004 VOLVO XC90
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.
More frequent vehicle maintenance is required.
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.
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. 102 Starting and driving
Towing a trailer (contd)
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.
- 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).
- The drawbar assembly/trailer hitch may be rated for trailers heavier than the vehicle is designed to tow.
Please adhere to Volvo's recommended trailer weights.
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