The 2007 GMC Acadia wiring circuits in your vehicle are protected from short circuits by a combination of fuses, circuit breakers and fusible thermal links. Fuse: Front Windshield Wiper, Spare, Front Heated Seats, Steering Wheel Illumination, Memory Seat Module, Power Mirrors, Door Locks, Airbag System, Driver’s Side Turn Signal, Rear Window Wiper.