[. . . ] disconnect the vehicle battery's negative terminal before making connections. Be sure to observe the safety notes of the automobile manufacturer (airbags, alarm systems, on-board computers, immobilisers). Before drilling holes, look to see what is on the other side - making holes into the battery, wiring looms or fuse box is not recommended! [. . . ] If your car is not equipped with any car radio wiring or if the cross-section of the existing positive/negative wires is insufficient (< 1. 5 mm2), install the enclosed ISO +/- cable (one brown, orange, yellow/green wire and two red wires) together with the universal power supply cable (available at your specialist dealer; P/N 7 607 884 093); see Fig. For this type of connection, first check whether you have passive or active loudspeakers installed in your car. active loudspeakers have an integrated amplifier , passive loudspeakers do not have an amplifier. If your car is equipped with passive loudspeakers (4 ohms) you can adapt the ISO connector installed in your car. If active loudspeakers are installed in your car, you can order the necessary adapter cable for various vehicles from your specialist dealer. VW, Seat, Audi, the power is supplied to the antenna via the antenna cable (see user manual of your car). If you wish to replace the original equipment for a conventional car radio, you need to purchase an antenna duplexer (P/N 7 691 290 202) from your specialist dealer. Information on how to install and connect your antenna is provided in the antenna installation instructions. According to the antenna type you wish to install, it may be necessary to use the antenna adapter with holder included in the delivery (see Fig. 8 LF = left front, RF = right front LR = left rear, RR = right rear Handsfree microphone connection (page 6) . Fix the guide pin with or without spacer on the stud at the car radio rear side. After you have installed the antenna, tighten the connection at your car radio by hand und add another 1/4 rotation using pliers. Note: Make sure the telephone wires are not routed close to the loudspeaker wiring. [. . . ] The 1-hour logic will not be activated, if the constant power wire (terminal 30) is connected. Only if ignition is off and external alarm activated Connection to pin 2 only via relay(max. Introduire le support dans l`emplacement réservé et vérifiez si les attaches du support peuvent être pliées au moyen d`un tournevis (cf. [. . . ]