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check your fuses for both problems.
check the belts
Ogerize it.
the air conditioner and heater are two separate things.(not connected) ;) it may have a fuse. or the it could just be bad.
Bad temperature sending unit? Bad gauge?
Switch most likely.
tryHttp://www.bba-reman.com/content.aspx?content=Test_for_Renault_Key_Immobiliser_failures_emergency_recode
It twists or screws in.
The battery itself could be shot, the lead plates inside do wear out over time.
It works because people combined both shampoo and conditioner and they work as both
Blown fuse, defective fuel pump relay or the fuel pump has failed.
you use freon to cool your car and make the air conditioner work