You can find these headlights online, but aftermarket headlights still will cost you a pretty penny, if your grand prix has plastic headlights and it is just a matter of discoloration this could easily be fixed. Just go to the The Headlight Solution, at headlightsolution.net they specialize in restoring / cleaning headlights to like new condition.
Buy a car with a bigger motor
Pontiac Grand Prix parts are still available despite Pontiac no longer being in business. Third party auto parts supply companies such as NAPA Autoparts or Auto Parts Warehouse carry parts for the Grand Prix.
There are many places you can find accessories for the Pontiac Grand Prix. These places include: Amazon, Best Buy, CarID, and other third party sites.
Buy the Hayes Repair manual and it details the procedure
If you are looking to buy a Pontiac Grand Prix GT in Los Angeles, California, you could try the local newspaper classified ads. You may also want to check listings on Craigslist in the area, you can also try eBay as well.
Buy one and hook the wires up and put it in the middle.
"The Pontiac Grand Prix GXP is not in manufacturing anymore and so it would be difficult to buy a new one. However the cost of the car would be around $40,000."
no it does not come with one buy you can buy an adapter to plug into the back of the headunit that will give you one
The 2003 model of the Pontiac Grand Prix did not have an option for a factory-installed GPS system, so an individual driving the '03 Grand Prix can use their choice of GPS systems sold at retailers nationwide. Popular GPS units include brands such as Garmin, Tom Tom, and Magellan, and may be found at retailers such as Wal-Mart, Costco, and Best Buy. These GPS units can be used in the Grand Prix by using the stand or mount included with the GPS; if the included mounting does not work, you can also buy different mountings for the system.
Buy a kit at Wal-Mart or auto parts comes with fitting adaptors and instructions
Buy yourself a copy of Haynes repair manual #38010. It costs about $20 and will have whatever diagram you need.
You can go to WAL-MART and buy the recharge kit for the ac. It's very simple to do ,all the instructions are there.