What should you do if you drive a tractor with a trailer on a slippery surface?

Explanation

Correct answer: I should turn on the front drive, if the tractor is equipped with one.

Engaging the four-wheel drive (4x4) in an agricultural tractor transmits power to all wheels, which significantly increases traction on a slippery surface. This is particularly important when towing a heavy trailer, as it improves the stability of the entire vehicle combination and minimises the risk of wheelspin. This allows the driver to maintain better control over the vehicle in difficult road conditions.

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