Opel Antara Owner's Manual page 169

Coup ling socket l oa d
The c oupling socket load is the load
exerted by the carav an/trailer on the
coupling ball. It can b e varied by changing
the w eight distribution when loa ding the
carava n/trailer.
The ma ximum permissible coup ling socket
load for the towing vehicle (80 k g) is stated
on the towing equipment id entific ation
plate and should always be aimed for,
particularly in the case of heavy c aravans/
trailers. The coup ling socket load should
nev er be below 25 k g.
When mea suring the coup ling socket load,
mak e sure that the drawbar of the loa ded
carava n/trailer is at the sa me height as it
will be when the caravan/trailer is coupled
with the towing v ehicle loa ded. This is
particularly important for caravans/trailers
with tandem axle.
Rea r axle load duri ng towing
When the carav an/trailer is coupled and
the towing vehic le fully loaded (including
all occupants), the perm issible rear ax le
loa d must not be exceeded.
National regulations regarding m aximum
speeds for vehicles towing a ca ra van/
tra iler must be observed .
Driving and o peration
Tyre p ressure
Increase the ty re p ressure on the towing
vehicle to the value specified for full load
(see page 228). Also check the pressure of
the caravan/trailer tyres.
169