Being able to use the prosthetic for driving is a relevant aspect. Taking strain off the (remaining) left arm and hand is one very important aspect. And just enjoying the sheer ability is another. So here is how that works with the Becker Phantom Bionic hand.
The unique shape and configuration of the Becker Phantom Bionic hand make it very useful for any activities that are shaped for natural hands. Many aspects of dashboards in cars have been, over the years, made easier to use for people with hands rather than just being switches or technology that has been put there because it was cheaply available. The ignition and key of this car is shaped to make it easier to flip for anyone. Also, it is not too hard to turn the key using the Becker Phantom Bionic hand:
Pulling or releasing a handbrake is one of the "little things" that can make life easier. Also, pulling the handbrake in a parked car can help to secure it from rolling away, so maybe having a handbrake pulled is more than just a "little thing". Who knows!