Since the 2001 Spanish Grand Prix drivers have no longer needed to judge the optimum revs, wheelspin, and gear change points to affect the best getaway. Now, a whole host of electronic gizmos are allowed on the cars, including launch control, so all the driver has to do is arm the system as he is lined up on the grid and then press a button as the starting lights change. Software systems then work out the ultimate acceleration.
Features such as this and traction control �which cuts power when the system detects excess wheelspin, thereby making the car easier to control � had been outlawed since 1994, but difficulties in policing the software meant they were reintroduced.