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If you have corrosion on the terminals than the battery is junk.. I had corrosion on my hold down bracket and my dealer replaced my battery and bracket under warranty. I check my batteries once a month. I clean the engine and look it over for bad belts and hoses. If you do that you will discover problems in your driveway instead of on the side of the road.
My drivers side clamp is ruined and they are replacing the harness and batteries. All under warranty - I’m at 34800 miles and 34 months. Found it just in time...
I just took my 2019 in today and dealer replaced driver battery for leak and it failed their test. There was corrosion on bottom of clamp, they cleaned it and put it back on, they would not replace. I was in and out in about 45 minutes so I was happy.