*turn off image stabilizer
*spot meter
*you might be able to get away with Sv preset choosing the ISO...camera sets the shutter and aperture
*otherwise full manual or Tv but you'd have to shoot a few frames to get the right setting unless you have a hand-held light meter and get the right exposure needed of that.
*you might want to boost the EV +1.5~2.5 (you might get some noise issues)
*most will probably disagreed with me here but shoot fine JPEG vs RAW
* you might want to set shutter to continuous and bracket in full stops.
Also i've never shot those RC cars before