Chevrolet 2010 Cobalt Coupe Owner's Manual page 370

1. Do a safety check before proceeding.
See
2. If your vehicle has plastic wheel covers, use the
wheel wrench to loosen the plastic wheel nut caps.
Once the plastic wheel nut caps have been
loosened with the wheel wrench, you can finish
loosening them with your fingers. The plastic nut
caps do not come off.
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3. If necessary, use the flat end of the wheel wrench
to pry along the edge of the wheel cover until it
comes off.
Store the wheel cover in the trunk until the flat tire
is repaired or replaced.
.
4. Use the wheel wrench to loosen all the wheel nuts.
Do not remove them yet.