It is not necessary to check the manual transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to a dealer/retailer for service. Have it repaired as soon as possible. You may also have the fluid level checked by your dealer/retailer when the oil is changed. See Recommended Fluids and Lubricants for the proper fluid to use.
Chevrolet Cobalt Service & Repair Manual. Precautions
Battery Ground Cable
Prior to service, disconnect battery
ground cable and isolate as required.
Fuel System Pressure Relief
1.
Disconnect battery ground cable, isolate
as required.
2.
Install fuel pressure gauge tool N ...