A:Answerafter i got my installed at best buy they said the viper they have alot of issues with if i had known i would have got a better one mine is unreliable
A:AnswerThey were able to do it to my 2010 Nissan Maxima but not my 2004 Dodge durango. The installer that did mine did say he is able to program most keys to work depending on the make and model of the car
A:AnswerYour current keyfob should still work like normal, ie lock and unlock the car. You will need to use the one provided to actually start the car remotely.