Mobile hand control device can be used in any car with automatic transmission. The hand control unit is easy to install. It’s easy to pack in a suitcase and bring on trips. It can be collapsed and is 56 cm long.
Model: Z4 portable hand control
At sportaid.com there are also mobile grips that are attached to the steering wheel for people with impaired hand function (last checked January 2021). In general, this site has good and affordable assistive devices for sports and equipment for people with disabilities.
sportaid.com (last checked January 2021).