RepairPal Certified shops can diagnose and repair your 2007 Chevrolet Cobalt. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
The information you seek can be found here:
https://justgivemethedamnmanual.com/chevrolet/2007-chevrolet-cobalt-owners-manual/
This FREE download is just in case you do not already have the OWNERS MANUAL.