inputs.text: sorry bot - bought installed best buy took three trips back figure manual simply not correctly describe key strokes needed use auto temperture function displayed four green leds give rough order magnitude indication temperture reset errors regular problem unit specific problems 1 range device errors fails function remove battery replace reset unit happens every time try utilize unit range car range appears limited 20 yards third trip back best buy taught us battery removal reset info doesnt appear manual 2 viper sometimes conflicts remote electronic door opener came car best buy recommended get rid auto remote need open trunk viper unable programmed replace trunk opening function auto remote carry preserve handy remote trunk open function 3 viper conflicts electronic auto remote came car impossible open doors passengers remotely either opener no way determine remote entry functioning malfunctions vehicle opened key frustrating prior viper remote completely replaced auto remote also included alarm delivered flawless service many years one cost no alarm marginally functional wish hadnt bought