I was driving to town yesterday evening and turned the AC on. after about 30 seconds i became worried because the air was warm and it was pretty cool outside. i told my wife that i thought my AC was not working but she said it was. Her two vents were nice and chilly but mine had the heater on!?!?!? how does that work?

on the drive back it did not do it, but i still want to know what i need to check out. any suggestions?

__________________

Grey '91 350SDL 214k Dad's car
Beige '81 240D 4 Speed 254k SOLD
Blue '82 300D 225k SOLD
White '95 E300D 46k SOLD
Blue '87 190D 2.5 Turbo 315k SOLD
Brown '80 240D 4 Speed 716k SOLD
Beige '80 300D N/A 119k SOLD
Blue '85 300D Model 186k T-Boned