A:AnswerNot really a big difference. It is like an iPhone 6 and iPhone 6s. Compustar 4900S comes with the INSTALLATION included, while 4905S you have to pay additional money for the installations. 4900s is compatible with your 2017 Honda Accord Sport; however, additional parts may require depending on if you have "push to start" ignition.
A:AnswerNot this one. The tech told me I would have to remember to leave it on when I get out the night before. Haven't really had the need to have heat or air on yet, just been using to have the car ready for me to pull off when I get in it in the mornings.
A:AnswerAs long as u put your front defrost on when u turn off your car it will turn on when u start your vehicle with remote start but it will not turn on the rear defrost.
A:AnswerDidn't need to buy anything else everything is included. But doesn't work with alarm already in the vehicle so still need other flob to activate alarm. N u need to hold button to unlock doors until flob beeps.
A:AnswerMine was installed behind the mirror on the driver side. If you are like me, you might want to ask them to put it on the passenger side. The mirror can block it from view.
