auxiliary battery location MAZDA MODEL ATENZA 2016 アテンザ|取扱説明書 (in Japanese)
Nothing was found :-(
Try to search something different in this manual:
buttons, lights, TPMS reset, dead battery open trunk, sunroof, automatic transmission, oil level, power steering fluid
Popular in this manual:
light, roof, key, bluetooth, remote control, infotainment, ABS, phone, 4WD, sunroof, window, engine, fuel pump
Or view whole manual here: