We also use the Acme EZE-Tow dolly with surge brakes. We tow a 2014 Prius C and we can prevent the steering wheel from locking (necessary for fixed bed) with the ignition off. I just towed the car from Sacramento to Ft Bragg last weekend through the coastal mountains with no problems. IMHO, surge brakes are a must. They work well and you don’t need wires for electric brakes. In most states it is required to have supplemental braking for towed vehicles.
Also, the EZE-Tow will stand up vertically for storage. I put mine on furniture dollies and roll it into the side yard.
I can get my car on the dolly and ready to go almost as fast as when we flat towed our old Grand Vitara.
In addition to the tire straps, I also use a safety cable on each front tire.
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