Originally Posted by
jzweighaft
My last two cars (an Impala and a Challenger) had this issue too... notably XM10-XM14 and XM18-20something were missing. Which sucks because I always like listening to XM12 (a NY station

).
-J.
If you call roadside assistance, they'll reset it for you! You just have to have the car someplace where you can receive the signal (not in a parking garage/enclosed space, basically) and be able to leave at least the radio on for 30-45 minutes.