Windshield wiper blades should be inspected for wear or cracking. See Scheduled Maintenance for more information on wiper blade inspection.
Replacement blades come in different types and are removed in different ways. For proper type and length, see Maintenance Replacement Parts.
Here is how to remove the wiper blades: 1. Pull the windshield wiper arm away from the windshield.
2. Push the release lever and slide the wiper assembly toward the driver side of the vehicle.
3. Install a new blade by reversing Steps 1 and 2.
Chevrolet Cobalt Owners Manual. Accessories and Modifications
When non-dealer/non-retailer accessories are added
to the vehicle, they can affect vehicle performance
and safety, including such things as airbags, braking,
stability, ride and handling, emissions systems,
aerodynamics, durability, and electronic systems
like antilock brakes, traction control, ...