GM Service Manual Online
For 1990-2009 cars only

The factory installed tires are designed to operate satisfactorily with loads up to and including the full rated load capacity when these tires are inflated to the recommended pressures.

The following factors have an important influence on tire life:

    â€¢ Correct tire pressures
    â€¢ Correct wheel alignment
    â€¢ Proper driving techniques
    â€¢ Tire rotation

The following factors increase tire wear:

    â€¢ Heavy cornering
    â€¢ Excessively rapid acceleration
    â€¢ Heavy braking