It is widely accepted that Taxi driving and many other jobs that involve driving are sedentary and that those involved are inclined towards being overweight and unfit, most of the technology in vehicles has developed to make it virtually effortless to drive and has taken whatever little activity there might have been away.
Is there a case for having a workout mode in vehicles?
Allow drivers for period of time to deactivate the power steering and use a bit of welly to turn corners.
Switch from hydraulics/Auto back to double clutching to change gears.
Doesn’t sound like it would be too difficult and might even prove popular in this gym mad society.