1994 Buick Skylark Owner's Manual - Page 237

When It's Time for New Tires One way tp tell when it's time for new tires is to check the treadwear indicators, which will appear when your tires have only 2/32 inch (1.6 mm) or less of tread remaining. 0 The tire has a bump, bulge or split. The tire has a puncture, cut, or other darhage that can't be repaired well because the size or location of of the damage. Buying New Tires To find out what kind and size tires you need, look of at the Tire-Loading Information label. The tires installed on your vehicle when new had it was a Tire Performance Criteria Specification (TPC Spec) number on each tire's sidewall. When you get new tires, get ones with that same TPC Spec number. That way, your vehicle willcontinue to have tires that designed are to give proper endurance, handling, speed rating, traction, ride and other things during normal service on your vehicle. If your tires havean all-season tread "MS" design, the TPC number will be followed by a (for mud and snow). If you ever replace your tires with those not having a TPC Spec number, make sure they the same size, are load range, speed rating and construction type (bias, bias-belted or radial) as your original tires. You need a new tire if YOUcan see the indicators at three or more places around the tire. YOU can cord or fabric showing through the tire's see . rubber. 0 The tread or sidewall is cracked, cut or snagged deep enough to show cord or fabric. 235