2012 Chevrolet Tahoe Owner's Manual - Page 444
2012 Chevrolet Tahoe Manual
Page 444 highlights
10-72 Vehicle Care WARNING (Continued) Use another type of traction device only if its manufacturer 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 is contacting the vehicle. Do not spin the wheels. If traction devices are used, install them on the rear tires. Notice: If the vehicle has P265/70R17 size tires, use tire chains only where legal and only when necessary. Use chains that are the proper size for the tires. Install them on the rear tires only. Do not use chains on the front tires. 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 If your vehicle is a Hybrid, see the Hybrid Supplement for more information. { WARNING If the vehicle has P265/65R18 or P275/55R20 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. (Continued)