GM Service Manual Online
For 1990-2009 cars only

Possible Cause

Action

Underinflated or overinflated tires

Inflate the tire to the recommended pressure.

Improper toe-in

Adjust the toe-in setting.

Wheels are out of balance

Balance the wheels.

Hard driving

Instruct the owner on the proper driving techniques.

Overloading the vehicle

Instruct the owner about the importance of not exceeding the maximum recommended payload rating.