Volvo XC40 Owner's Manual page 403

Follow applicable regulations regarding
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permitted speed and weight.
Drive slowly when towing a trailer up a
•
long and steep incline.
The maximum trailer weights given only
•
apply to altitudes up to 1000 meters
(3280 feet) above sea level. At higher alti-
tudes, engine power (and thus the vehi-
cle's climbing ability) is decreased due to
the reduced air density, and the maximum
trailer weight must therefore be reduced.
The weight of the vehicle and trailer must
be decreased by 10% for each additional
1000 m (3280 feet) or part thereof.
Avoid driving with a trailer on inclines of
•
more than 12%.
Avoid overloading and other incorrect use.
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The trailer's brakes must be balanced with
•
the vehicle's brakes to help ensure safe
stops (follow applicable local regulations).
CAUTION
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 author-
ized Volvo retailer for correct installa-
tion.
When towing a trailer, the trailer's
•
safety chains or wire must be correctly
fastened to the attachment points pro-
vided in the trailer hitch on the vehicle.
The safety chain or wire must never be
fastened to or wound around the tow-
ing ball.
NOTE
The optional detachable trailer hitch may
not be available in all markets or on all
models. Consult your Volvo retailer.
STARTING AND DRIVING
NOTE
Extreme weather conditions, towing a
trailer, high altitude and lower fuel grade
than recommended are factors that can
significantly increase the vehicle's fuel con-
sumption.
Trailer weights
WARNING
Please adhere to the recommendations
provided for trailer weight. If the recom-
mendations are not followed, the vehicle
and trailer may be difficult to control during
evasive maneuvers and braking.
NOTE
The specified maximum trailer weights are
those permitted by Volvo. National vehicle
regulations may set additional restrictions
on trailer weight and speed. The trailer
hitches may be certified for higher towing
weights than the vehicle is permitted to
tow.
Self-leveling suspension*
The vehicle's self-leveling system attempts to
keep the vehicle at a constant level, regardless
of load (up to the maximum permitted weight).
When the vehicle is stationary, the rear end of
* Option/accessory.
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