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Question 5311

There is snow and you only have chains for two wheels. Where must you put them?

  1. Always on the drive wheels.
  2. Always on the front wheels.
  3. Always on the rear wheels.
Show answer and explanation

Correct answer: Always on the drive wheels.

Chains work on the wheels that receive power from the engine: the drive wheels. If you have only two, put them on that axle, one on each side. On a front-wheel-drive car they go in front, and on a rear-wheel-drive car they go in back. So neither front nor back is always correct. In the image, the driver is fitting a chain to a front wheel.

Reglamento General de Vehículos — Real Decreto 2822/1998 · Manual II — Cuestiones de Seguridad Vial, 2026