problem with a/c. cools when stopped,not when moving? on 2008 Saturn Astra

I just bought this car, the a/c is cooling when the car is stopped, but then quits when I start moving?

by in Midland, TX on March 06, 2012
1 answer
ANSWER by , March 07, 2012
ck freon level it sounds like its poss. low on freon