[. . . ] Instructions for installation and connection Disconnect the battery ground wire during installation and connection. When drilling a hole, be sure not to damage any vehicle part (battery, cable, fuse, etc. [. . . ] Please check the dimensions and, if necessary, use a car-specific installation kit, e. When using installation sets for units of 52 mm four distance plates, order number 8 601 055 056, must be used, fig. Ground cable Do not connect the ground cable to the negative pole of the battery. Route the ground cable to a suitable ground point (car body screw, car body metal sheet) and shorten it accordingly. Remove the insulation from the ground cable and attach the forked cable lug (if necessary, solder it). Scratch off the paint from the contact area of the ground point and lubricate it with graphite grease (important for good ground contact). 5 mm2) to the battery (do not route the cable near the cable harnesses). Connect the fuse holder to protect the positive cable and connect it to the positive pole of the battery (if necessary, drill a hole into the fire wall and use cable ducts). Note: Upon customer request and if the car radio system is operated via the ignition, the switched positive line, installed ex factory, can be connected to a relay (Bosch part no. Install the car radio into the DIN cut-out provided in your car's dashboard ex factory. Prepare the car radio DIN cut-out (unlock shelf or dummy cover) or cut out the car radio compartment to 182 x 53 mm. Grasp behind the car radio cut-out and check how many of the fixing strips of the car radio support can be bent. [. . . ] Stick in byglar till vänster och till höger i de befintliga hålen i panelen och tryck in så långt, att ett tydligt knäpp hörs (sidofjädrarna går ur ingrepp). En pluskabel (röd) med grov area (2, 5 mm2) dras direkt till batteriet. [. . . ]