inputs.text: works well instructions poor - intentionally poor documentation think trying force use professionaly installer lot subjects not covered figure things without much trouble not cover installation antenna light valet switch combined unit included kit easy figure since color coded one way install not even shown packing list addon modules proximity sensor kind figure also unless using one add module case cut devices wiring harnesses install diode not included not expect help viper web site would reluctant try something like starter disable unit capable without much better instructionson plus side work well