Volvo V70 Owner's Manual page 163

2007 Volvo V70
Trailer towing does not normally present any particular problems, but take into consideration:
Increase tire pressure to recommended full. See section "Wheels and tires."
When your vehicle is new, avoid towing heavy trailers during the first 620 miles (1000 km).
Recommended hitch tongue load is: Trailer weights below 2,650 lbs (1,200 kg) - 110 lbs (50 kg)
Trailer weights above 2,650 lbs (1,200 kg) - 165 lbs (75 kg)
Maximum speed when towing a trailer: 50 mph (80 km/h).
Engine and transmission are subject to increased loads. Therefore, engine coolant temperature should
be closely 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.
Avoid overload and other abusive operation.
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.
NOTE:
When parking the vehicle with a trailer on a hill, apply the parking brake before putting the gear
selector in (P)ark (first/ reverse gear on manual transmissions).
pg. 146 Starting and driving
Towing a trailer
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