Owner's Manual
Page 238
.... Don't use tire chains on the rails. Of course, it can lose air after a time. And don't mix your compact spare tire or wheel with guide rails. NOTICE: Tire chains won 't fit. They won 't fit your compact spare. Keep your vehicle and can damage the chains too. Compact Spare Tire Although... to 65 mph (105 km/h) for distances up to 3,000 miles (5 000 km), so you can finish your trip and have your full-size tire repaired or replaced where you want.
.... Don't use tire chains on the rails. Of course, it can lose air after a time. And don't mix your compact spare tire or wheel with guide rails. NOTICE: Tire chains won 't fit. They won 't fit your compact spare. Keep your vehicle and can damage the chains too. Compact Spare Tire Although... to 65 mph (105 km/h) for distances up to 3,000 miles (5 000 km), so you can finish your trip and have your full-size tire repaired or replaced where you want.