[. . . ] Install this unit away from hot places such as near the heater outlet. Optimum performance is obtained when the unit is installed at an angle of less than 60°. [. . . ] 2 Secure the mounting sleeve by using a screwdriver to bend the metal tabs (90°) into place. If you do not plan to detach the front panel, the front panel can be fastened with supplied screw. It becomes easy to remove the trim ring if the front panel is released. 2 Determine the appropriate position where the holes on the bracket and the side of the unit match. This unit can be properly installed either from "Front" (conventional DIN front-mount) or "Rear" (DIN rear-mount installation, utilizing threaded screw holes at the sides of unit chassis). It becomes easy to remove the trim ring if the front panel is released. 2 Insert the supplied extraction keys into both sides of the unit until they click into place. -- Never cut the insulation of the power cable of this unit in order to share the power with other devices. Control signal is output through blue/white cable when this unit is powered on. If the vehicle is equipped with a glass antenna, connect it to the antenna booster power supply terminal. Never connect blue/white cable to external power amp's power terminal. This cable and other product's ground cable (especially, high-current products such as power amp) must be wired separately. Otherwise, fire or malfunction may result if they are accidentally detached. 12 ISO connector In some vehicles, the ISO connector may be divided into two. [. . . ] 12 ISO connector In some vehicles, the ISO connector may be divided into two. 13 Speaker leads White: Front left + White/black: Front left * Gray: Front right + Gray/black: Front right * Green: Rear left + Green/black: Rear left * Violet: Rear right + Violet/black: Rear right * 14 Wired remote input Hard-wired remote control adaptor can be connected (sold separately). [. . . ]