2014 Cadillac ATS Owner Manual - Page 348

10-62 Vehicle Care Warning (Continued) recommends it for the vehicle's tire size combination and road conditions. Follow that manufacturer's instructions. To avoid vehicle damage, drive slow and readjust or remove the traction device if it contacts the vehicle. Do not spin the wheels. If traction devices are used, install them on the rear tires. Warning (Continued) fail suddenly and cause a crash. When replacing wheels, use a new GM original equipment wheel. Caution (Continued) chains that are the proper size for the tires. Install them on the tires of the rear axle. Don't use chains on the tires of the front axle. Tighten them as tightly as possible with the ends securely fastened. Drive slowly and follow the chain manufacturer's instructions. If the chains contact the vehicle, stop and retighten them. If the contact continues, slow down until it stops. Driving too fast or spinning the wheels with chains on will damage the vehicle. Tire Chains { Warning If the vehicle has 225/40R18, 225/40RF18, 255/35RF18, 225/35R19, or 255/30R19 size tires, do not use tire chains. There is not enough clearance. Tire chains used on a vehicle without the proper amount of clearance can cause damage to the brakes, suspension, or other vehicle parts. The area damaged by the tire chains could cause loss of control and a crash. Use another type of traction device only if its manufacturer (Continued) { Caution If the vehicle is equipped with a tire size other than 225/40R18, 225/40RF18, 255/35RF18, 225/35R19, or 255/30R19, use tire chains only where legal and only when necessary. Use low profile chains that add no more than 12 mm thickness to the tire tread and inner sidewall. Use (Continued) If a Tire Goes Flat If the vehicle has run-flat tires, there is no need to stop on the side of the road to change a flat tire. See Run-Flat Tires on page 10-42.