My friend is a pro installer of remote starters/ alarms but has never touched a manual. I have heard about shift rings and other stuff to keep the car from starting in gear.

Can someone outline this, or is there a DIY? He will definetely be able to do it, if someone could explain what to use and how.

TIA!

get an astrostart remote with manual interface relatively easy if he can do the automatic the manual interface is no prob