A control system for use in a vehicle configurable for air use or road use, the vehicle comprising moveable control surfaces for controlling operation of the vehicle in air use, wherein the system comprises: a pedal arrangement of three pedals, comprising a central brake pedal (34) and first and second side pedals, one on either side of the brake pedal, the pedal arrangement having a first configuration for use when the vehicle is configured for road use, and a second configuration for use when the vehicle is configured for air use; wherein in the first configuration, the first (right) side pedal (36) is configured to act as a throttle control; and in the second configuration, the first and second pedals (36, 38) are connected to the moveable control surfaces. A vehicle configurable for air or road use incorporating the control system comprises: a body having road wheels for supporting the body when configured for road use; wings connected to the body and deployable for air use; a tail section at the rear of the body; moveable control surfaces for controlling operation of the vehicle in air use.