50/50 mixture dex-cool Your owners manual should have this info.
Dex-cool is not necessary. I personally would go with the green stuff as there have been too many problems with the orange coolant.
Such as?? Sounds like internet stories. Stick with dex cool as specified by the manufacturer. They didn't pay all those engineers all that money to develop something that doesn't work.
Looking for a Used Cobalt in your area?
CarGurus has 221 nationwide Cobalt listings starting at $1,950.
Search Chevrolet Cobalt Questions
Chevrolet Cobalt Experts
Related Models For Sale