Mazda 3 2012 key battery change 

( tools i use)
Oil catch pan :
amzn.to/3rcgXeK
A/C and fuel line disconnect tool kit: amzn.to/3xuUE53
Universal oil filter wrench: amzn.to/3cRnDXp
Jack and jack stands : amzn.to/3E05cvw
Milwaukee m18 fuel 1/4 inch : amzn.to/31aiXJQ
Battery terminal cleaning tool all in one: amzn.to/3lecWmq