Notice: Do not add anything electrical to the vehicle unless you check with your dealer/retailer first. Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's warranty. Some add-on electrical equipment can keep other components from working as they should.
Add-on equipment can drain the vehicle battery, even if the vehicle is not operating.
The vehicle has an airbag system. Before attempting to add anything electrical to the vehicle, see Servicing Your Airbag-Equipped Vehicle and Adding Equipment to Your Airbag-Equipped Vehicle.
Chevrolet Cobalt Service & Repair Manual. Refrigerant Recovery
The refrigerant system must be
discharged using an air conditioning refrigerant recovery and recycling
system. After completing any required repairs the refrigerant system can
be evacuated and charged using an air conditioning service charging station.
Service fitting caps are ...