I assume you meant to say refrigerant level? I don't understand how the "coolant level" would cause this problem? Educate me if I am wrong!Check your coolant level. It could be low.
Looks like I rushed to reply, instead of realizing OP's issue. 🤦♂️ Low coolant causes the heat in the car to have issues, not the a/c. Thanks for catching this.I assume you meant to say refrigerant level? I don't understand how the "coolant level" would cause this problem? Educate me if I am wrong!
Check the refrigerant level, have it topped off (if necessary). If the issue happens again, there could be a leak somewhere.My 2011 regal has an air problem. Blows warm air fo several minutes, than starts to blow cool air, any ideas on the problem?