A switch assembly for the lift-and-slide roof of a vehicle that includes a housing, an actuating element, a first pair of movable electrical switching contacts, and a second pair of movable electrical switching contacts. Each longitudinal wall of the housing comprises a cross-shaped groove including a cross-shaped guiding track. The cross shaped groove receives a projecting member of the actuating element. The guiding track receives a pressure piece carried by the actuating element. The cross shaped groove has end surfaces which form abutment surfaces for the corresponding surfaces of the projecting member.