Mazda 3 2016 Manual page 446

Maintenance and Care
Owner Maintenance
5. Remove the battery cap, then remove
the battery.
6. Insert a new battery with the positive
pole facing up, and then cover the
battery with the battery cap.
7. Close the cover.
8. Reinsert the auxiliary key.
6–42
CAUTION
Be careful not to allow the rubber ring
shown in the fi gure to be scratched or
damaged.
If the rubber ring detaches, reattach it
before inserting a new battery.
Rubber ring