Forget calling GM, forget looking in your mailbox - Here's an easy way for you GM Card holders to see if you qualify for a "Topped-Off Bonus Earnings" offer.
Click "Manage Your Earnings" in the top right of your screen.
Register, or log in to your GM Card account.
Once you have done that, click on "Cardmember Offers" at the bottom of your screen.
If an offer is there, be sure and write down the code number. You will need it to redeem your bonus earnings.
Good luck, the following was in my account:
Now's the time to buy with $3,000 in Topped-Off Bonus Earnings.*
Use your Topped-Off Bonus Earnings toward the purchase or lease of most '08 and '09 GM vehicles from January 6 until February 2, 2009. To take advantage of these Topped-Off Earnings be sure to provide your local dealer with your personalized Bonus Earnings code located below.