While that update doesn't require an EV tech, it does require an A or B tech. Rotating tires and checking fluids can be done by a C tech.
That said, some dealers will find any excuse they can to avoid doing warranty work.
EVs do not present anywhere near the number of maintenance and repair opportunities that ICE vehicles do. Consequently the days of cheap menu priced services are numbered. A dealer can't make any money bringing cars in for $20-30 with no potential upsales. Maybe break even if they have a Quick...
Theoretically you could probably achieve this by setting the speed significantly lower than you plan to go and use the pedal to accelerate to the speed you choose. Functionally it would be similar to 1PD since as soon as you let off the go pedal CC will start slowing down to get to the set...