Brake On/Off (Boo) Test
WARNING: This page is about a different car, the 1996 Mazda B4000, 1996 Mazda B3000, and 1996 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
On vehicles equipped with Brake On/Off (BOO) switch, depress and release brake pedal after KOER SELF-TEST is initiated.