138 Roof racks, Caravan and trailer to wingRoof racks,Caravan and trailertowingRoof racks 3For reasons of safety and to avoiddamaging the roof, we recommend thatyou use the Vauxhall roof rack systemapproved for your vehicle. C onsult yourVauxhall Authorised Repairer.Remove the covers from the roof rackmounting ap ertures.Fasten the roof ra ck follow ing theinstructions that accompa ny the system .Driv ing hints – see pa ge 117.Towing equipment 3Use only towing equipment that has beenapp rov ed for your v ehicle. We recommendentrusting the retrofitting of towingequipment to y our Vauxhall AuthorisedRepairer, who will advise you on anypossible towed load increa ses. YourVauxhall Authorised Repairer hasinstructions on how to install the towingequipment and make any necessarychanges to the vehicle that affec t thecooling system, heat shields or otherequipment.For installation dimensions of the trailertowing equipment – see page 211.Towing equipment with fixedcou pling ball bar 3In the ca se of trailers/caravans with brake,attach b reak-awa y stopping cable to ey eto right of coupling ball ba r.Roof racks 3 .... ..... .... ..... .... ..... .... .... ..... . 138Towing eq uipm ent 3 .... .... ..... .... .... ..... . 138Towing eq uipm ent with fixedcoup ling ball bar 3 .... .... ..... .... .... ..... . 138Ca ra van and trailer loa ds..... .... .... ..... . 139Coupling socket loa d.... .... ..... .... .... ..... . 139Rear axle load during towing ... .... ..... . 139Tyre pressure... ..... .... ..... .... ..... .... .... ..... . 140Driving characteristics, towing tips ... . 140Starting on inclines .. ..... .... ..... .... .... ..... . 1429 WarningDisregard of these notes can lead toinjuries whic h may be fatal. Vehiclepassengers should be informedaccordingly.