Q: Can I Change My Own Battery?

asked by on December 15, 2016

I did a oil change changed the spark plugs had a mechanic that said had a battery for 30 so i said ok i buy it so he puts it in then the inside of the car starts flashing everywhere then the car starts to idle and hesitate to drive i told him put mines back which he did now i know i have to get a new battery because i dont have one on but when i do buy one and put it on is there something i need to be doing before i crank the ignition

My car has 136000 miles.
My car has an automatic transmission.

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