How to [EASILY] Replace the Battery - Mazda 3 (2014-2018) - YouTube
How to Locate Battery 13-19 Mazda 3 - YouTube
Amazon.com: Car Battery Hold Down bracket with 304 Stainless Steel J Bolt,Compatible with Select Mazda3 Mazda6 Mazda CX-3 Mazda CX-5 Mazda CX-9 Models : Automotive
Amazon.com: Car Battery Hold Down bracket with 304 Stainless Steel J Bolt,Compatible with Select Mazda3 Mazda6 Mazda CX-3 Mazda CX-5 Mazda CX-9 Models : Automotive