Before you begin
Repairing a 2007 Hyundai Sonata cabin air filter will help the air flow in the car become cleaner and it may save gas for the user. It is a quick and easy repair that takes about seven different steps, and two steps to put everything back together. This repair does not include any tools, all that is needed isa new cabin air filter that can be picked up at a local auto store. It costs about $18 to repair.