no owners manual
 

I just purchased a 05 gxp without an owners manual. I noticed a button in the trunk that says air. does anyone know what this is or what it does. Also, any suggestions on the best place to get a manual. Should I go to the dealer?
https://i138.photobucket.com/albums/...r/100_2694.jpg

New GM replacement manuals can be purchased from Helm, Inc.

http://www.helminc.com

that is an outlet for the onboard air compressor. if you hook a hose up to it, you can fill your tires, or anything else that needs air. beware, it takes a good 5-10 minutes to properly inflate a tire. its more for show & emergencies. ;)

interesting, I thought it might be for the suspension. Thanks

the same air compressor controls the air in the rear shocks.

Here's an option as well...

http://cgi.ebay.com/ebaymotors/2005-...em310008466201

The 2004 has Gen 5 OnStar and the 2005 has Gen 6.x OnStar. Otherwise the GXP's are identical vehicles. Since the OnStar documentation is a different document, you can also use the 2004 manual if you don't care what the cover says. There are quite a few inexpensive 2004 manuals listed on eBay.

the free way to get a model year specific owner's manual
 

Go to https://www.mygmlink.com/main/US/en/pontiac/home

Create an account. Register your vehicle with the VIN. Then, click on "Vehicle Home," and upload or select a picture of your car and name your car. On the left menu, select "glovebox" and get the entire owner's manual on PDF instantly.

I usually use this web based manual over the printed manual in the car because it's more easily searched.

You can keep your repair history here, log your OnStar and XM account numbers, other stuff. I have my GM Auto Club membership information here.

I also don't have a manual, so i downloaded it also!! But the new link is http://gmownercenter.yahoo.com/portal/registration.php

I too like it better on the PC b/c it is better to search for stuff!!!

Thanks for the link...br2

Thanks for the link as well, needed it