To replace a CHMSL bulb: 1. Open the trunk.
2. Press the tabs to release the bulb assembly.
3. Pull the bulb assembly down to access the bulbs.
4. Pull the old bulb straight out.
5. Push the new bulb straight in until it clicks.
6. Align the tabs in the bulb assembly with the assembly in the trunk lid. Push the bulb assembly back into place until it snaps in. You may need to use a tool to guide the tabs into the assembly.
Chevrolet Cobalt Owners Manual. Tire Chains
WARNING:
If your vehicle has P195/65R15, P205/55R16,
P205/50R17, or 225/40R18 size tires, do not
use tire chains. They can damage your vehicle
because there is not enough clearance.
Tire chains used on a vehicle without the proper
amount of clearance can cause damage to the
brakes, suspension ...