RepairPal Certified shops can diagnose and repair your 2006 Chevrolet HHR. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
if it is an automatic, there is no drain plug. drop the pan very carefully and catch the fluid in a large pan.the filter will be visible when the pan is down.
Roy
where do you fill it back up.? where is the fill hole or spot?