1994 GMC Safari Owner's Manual - Page 272

Tire Chains NOTICE: If your vehicle has P245/60R15size tires, don't use chains; tire they can damage your vehicle. If you have other size tires, use chains only where legal tire and SAE only when you must. Use only Class "S" type chains that are the proper size for your tires. Install them onthe rear axle tires and tighten them as tightly as possible withthe ends securely fastened. Drive slowly follow the chain and manufacturer's instructions. Ifyou can hear the chains contacting your vehicle, stop and retighten them. If the contact fast continues, slow downuntil it stops. Driving too with chains on will damageyour vehicle. Appearance Care Remember, cleaning products can be hazardous. Some are toxic. Otherscan burst into flame if you strike a match or get them on a hot partof the vehicle. Some are dangerousif you breathe their fumes in a closed space. When you use anything from a container to clean your vehicle, be sure to follow the manufacturer's warnings andinstructions. And always open your doors or windows when you're cleaning the inside. 6-54 a