The starter can be turned on if the range switch is in the "P" (parking) or "N" (neutral) position (Fig. 1.)
In the "P" (parking) position of the range switch, the front wheels are mechanically blocked from rotation.
Adjusting the Mazda 3 automatic transmission range switch
Disconnect the cable from the negative battery terminal.
Remove the nut and disconnect the transmission control cable (fig. 1).
Preparing the car
Wipe the top of the battery with a cloth dampened with a 10% solution of baking soda or ammonia, and then clean water