document_0900452a81b1b9de.book Seite 232 Donnerstag, 26. Juli 2007 9:16 09
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Towing a trailer
Towing a trailer
If you do not load the trailer up to the maximum permitted trailer
weight, you can then climb correspondingly steeper gradients.
Driving the vehicle with a trailer or
caravan
The maximum trailer weights listed are only applicable for altitudes
up to 1000 m above sea level. With increasing altitude the engine
power and therefore the car's climbing ability are impaired because
of the reduced air density, so the maximum trailer weight has to be
reduced accordingly. The weight of the car and trailer must be
reduced by 10% for every further 1000 m (or part thereof). This
figure refers to the combined weight of the (loaded) vehicle and
(loaded) trailer.
Technical requirements
The towing bracket must comply with certain technical
requirements.
Your car is intended mainly for transporting passengers and
luggage. However, if suitably equipped, it can also be used to tow a
trailer or caravan.
The figures for the draw bar weight that appear on the identification
plate of the towing bracket are for certification purposes only. The
correct figures for your specific vehicle, which may be lower than
these figures for the towing bracket, are given in the registration
documents. Also refer to ⇒ page 323.
If the car is supplied with a factory-fitted towing bracket it will
already have the necessary technical modifications and meet the
statutory requirements.
A 13-pin socket is provided to make the electrical connection
between the car and the trailer. If the trailer has a 7-pin plug you can
use an adapter cable. This is available from Audi dealers.
Distributing the load
Distribute loads in the trailer so that heavy objects are as near to the
axle as possible. Loads carried in the trailer must be secured to
prevent them slipping.
WARNING
Where possible, operate the trailer with the maximum permitted
draw bar weight on the ball joint of the towing bracket, but do not
exceed the specified limit.
If a towing bracket is retrofitted, the installation should be carried
out by a qualified workshop.
• In particular in high outside temperatures it is not possible to
drive up long steep gradients without a suitable cooling system.
The engine would then overheat.
Tyre pressure
Check the tyre pressures on your car and adjust for “full load” condi-
tions (refer to the sticker listing the tyre pressures on the end face
of the driver's door). It may also be necessary to adjust the tyre pres-
sures on the trailer according to the recommendations of the trailer
manufacturer.
• Incorrect installation can result in a safety risk.
Points to check before towing
Exterior mirrors
Trailer weights
Check whether you can see enough of the road behind the trailer
with the standard mirrors. If this is not the case you should have
Never exceed the maximum permitted trailer weights ⇒ page 323.
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