Bolt (Rear Lower Arm Outer Side) Removal Note

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Support the lower arm with a jack.
Loosen the inner bolt of the lower arm.
Remove the outer bolt of the lower arm.

Fig 1: Supporting Lower Arm With Jack
Courtesy of MAZDA MOTORS CORP.