2009 Chevrolet Cobalt Owner's Manual - Page 357

3. If necessary, use the flat end of the wheel wrench to pry along the edge of the rear 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 rear wheel nuts. Do not remove them yet. Notice: Make sure that the jack lift head is in the correct position or you may damage your vehicle. The repairs would not be covered by your warranty. 6. Raise the jack head until it fits firmly in the vehicle's frame, where the notch is located, nearest the flat tire. 7. Put the compact spare tire near the rear tire. { CAUTION: Getting under a vehicle when it is jacked up is dangerous. If the vehicle slips off the jack, you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack. { CAUTION: Raising your vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall. To help avoid personal injury and vehicle damage, be sure to fit the jack lift head into the proper location before raising the vehicle. 8. Raise the vehicle by turning the jack handle clockwise. Raise the vehicle far enough off the ground so there is enough room for the compact spare tire to fit under the vehicle. 5-99 5. Position the jack lift head at the rear jack location nearest the rear tire. The rear location is about 4 inches (10 cm) in front of the rear wheel opening.