Other harnesses attach to a standard car seat belt, with the other end secured around the dog's torso.

In addition to standard equipment such as an impact-tested safety cab with three-point seat belts and a driver's airbag, these include electronically operated disc brakes.

According to the FIA standard 8853/98, every fastening point of the belts must be able to withstand a load of 14.7 kilonewtons, the equivalent of roughly 1,470 kilograms.