When It Is Time for New Tires

Factors such as maintenance, temperatures, driving speeds, vehicle loading, and road conditions affect the wear rate of the tires.

Treadwear indicators are one way to tell when it is time for new tires. Treadwear

Treadwear indicators are one way to tell when it is time for new tires. Treadwear indicators appear when the tires have only 1.6mm (1/16 in) or less of tread remaining. See Tire Inspection  and Tire Rotation  for more information.

The rubber in tires ages over time. This also applies for the spare tire, if the vehicle has one, even if it is never used. Multiple conditions including temperatures, loading conditions, and inflation pressure maintenance affect how fast aging takes place. Tires will typically need to be replaced due to wear before they may need to be replaced due to age. Consult the tire manufacturer for more information on when tires should be replaced.

See also:

Content Theft-Deterrent
Your vehicle may have the optional content theft-deterrent alarm system. To activate the theft-deterrent system: 1. Open the door. 2. Lock the door with the power door lock switch or the Remote ...

Passenger Airbag Status Indicator
Your vehicle has the passenger sensing system. Your rearview mirror has a passenger airbag status indicator. When the ignition key is turned to RUN or START, the passenger airbag status indi ...

Hands-Free Calling
1. Push . System responds: “OnStar ready.”. 2. Say “Dial.” System responds: “Please say the name or number to call.”. 3. Say the entire number without pausing, including a “1” ...