Trailer coupling ...................................................................................................144 Fifth wheel ...........................................................................................................149 Connecting up the brake lines of a trailer ........................................................156 Connecting up the brake lines of a trailer with ABS or EBS ..........................157 Connecting up the trailer vehicle lights (24V electrical system) ....................161 Driving General ................................................................................................................164 Steering lock/contact/starter switch .................................................................165 Glow system ........................................................................................................165 Starting procedure ..............................................................................................166 Immobiliser fault .................................................................................................167 Engine speed control .........................................................................................168 Cruise control .....................................................................................................171 Vehicle speed limitation for special applications ............................................174 Driving style ........................................................................................................174 Differential lock ...................................................................................................175 Steering ...............................................................................................................176 RAS-EC system ...................................................................................................176 ASR (Anti Slip Control) .......................................................................................177 5 Coupling and uncoupling Table of contents