Quote Originally Posted by DreadMcLaren View Post
04+ have their BCM locked, so things can't be added. Mine as well just get a aftermarket remote start install instead.
?? i think you have some Mis-info on that one. With the correct VIN of a car that has the option the BCM can be programmed with the Tech 2.

Futhermore GM Sells a Accessory Remote start kit for the 2006-2008 Grand Prix.

Pontiac Grand Prix Remote Start
By pressing a button on the key fob, the remote start system starts your parked vehicle. Great for pre-warming or pre-cooling your vehicle. Seamlessly integrated with your vehicle's anti-theft and remote keyless entry systems.

OEM GM Part Number: 17800737
Details: Factory Remote Start - For Use on Vehicles with Extended Range Remote Lock Control (AP8), Includes 2 Fobs