2012 Toyota Prius Owners Manual - Page 622

2-5. Driving information Selecting tire chains Vehicles with 17-inch tires Use the correct tire chain size when mounting the tire chains. Chain size is regulated for each tire size. Side chain: 0.12 in. (3.0 mm) 1.18 in. (30.0 mm) 0.39 in. (10.0 mm) Cross chain: 0.16 in. (4.0 mm) 0.98 in. (25.0 mm) 0.55 in. (14.0 mm) Vehicles with 15-inch tires Use the tire chains of correct size and type. Use SAE Class "S" type radial tire chains except radial cable chains or V-bar type chains. Regulations on the use of tire chains Regulations regarding the use of tire chains vary depending on location and type of road. Always check local regulations before installing chains. 2 When driving 319