The tires and wheels on your vehicle were aligned and balanced carefully at the factory to give you the longest tire life and best overall performance. Adjustments to wheel alignment and tire balancing will not be necessary on a regular basis. However, if you notice unusual tire wear or your vehicle pulling to one side or the other, the alignment might need to be checked.
If you notice your vehicle vibrating when driving on a smooth road, the tires and wheels might need to be rebalanced. See your dealer/retailer for proper diagnosis.
Chevrolet Cobalt Service & Repair Manual. Description
The VSES (Vehicle Stability Enhancement
System) adds an additional level of vehicle control to the EBCM (Electronic
Brake Control Module). The EBCM controls the system functions and detects
failures. Yaw rate is the rate of rotation about the vehicle's vertical
axis. The V ...