run flat CHEVROLET COBALT 2008 1.G Owners Manual

To change the front at tire:
Front Flat Tire Changing Procedure:
1. Perform a rear tire change by removing the rear tire
and installing the compact spare tire in the rear
wheel location. The rear road tire will be used
to replace the front at tire. See Rear Tire Changing
Procedure in this section.
2. Do a safety check before proceeding. SeeChanging
a Flat Tire on page 5-74.
3. 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 nish
loosening them with your ngers. The plastic
nut caps do not come off.
4. Using the at end of the wheel wrench, pry along
the edge of the wheel cover until it comes off.
Store the wheel cover in the trunk until the at tire
is repaired or replaced.
5. Use the wheel wrench to loosen all the wheel nuts
on the at tire. Do not remove them yet.
5-85

Removing the Flat Tire and
Installing the Spare Tire
(All Models Except Sport)
1. Do a safety check is done before proceeding.
SeeChanging a Flat Tire on page 5-74
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 nish
loosening them with your ngers. The plastic
nut caps do not come off.3. Using the at end of the wheel wrench, pry along
the edge of the wheel cover until it comes off.
Store the wheel cover in the trunk until the at tire
is repaired or replaced.
4. Use the wheel wrench to loosen all the 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.
5-89

PASS-Key®III+..............................................2-19
PASS-Key®III+ Operation................................2-20
Perchlorate Materials Requirements, California...... 5-4
Power
Door Locks.................................................2-10
Electrical System.......................................5-105
Retained Accessory (RAP)............................2-25
Windows....................................................2-16
Privacy..........................................................7-17
Event Data Recorders..................................7-17
Navigation System.......................................7-18
OnStar.......................................................7-18
Radio Frequency Identication.......................7-18
Programmable Automatic Door Unlock...............2-11
R
Racing or Other Competitive Driving..................4-17
Radio Frequency Identication (RFID), Privacy....7-18
Radio(s)........................................................3-58
Radios
Reception...................................................3-76
Setting the Clock.........................................3-55
Theft-Deterrent............................................3-75
Rear Door Security Locks................................2-12
Rearview Mirror with OnStar
®...........................2-38Rearview Mirrors.............................................2-38
Reclining Seatbacks.......................................... 1-4
Recommended Fluids and Lubricants.................6-12
Recreational Vehicle Towing.............................4-32
Remote Keyless Entry (RKE) System.................. 2-4
Remote Keyless Entry (RKE) System,
Operation..................................................... 2-5
Remote Vehicle Start........................................ 2-7
Removing the Flat Tire and Installing the
Spare Tire..........................................5-80, 5-89
Removing the Spare Tire and Tools...................5-75
Replacement Bulbs.........................................5-47
Replacement Parts, Maintenance......................6-14
Reporting Safety Defects
Canadian Government..................................7-15
General Motors...........................................7-15
United States Government............................7-15
Restraint System Check
Checking the Restraint Systems....................1-68
Replacing Restraint System Parts
After a Crash..........................................1-69
Retained Accessory Power (RAP)......................2-25
Roadside
Assistance Program....................................... 7-7
Rocking Your Vehicle to Get it Out....................4-26
Routing, Engine Drive Belt...............................6-15
Running Out of Fuel........................................2-37
10