Scotty my dad's 2014 Accord had this very annoying problem where all of the dashboard warning sensors stay light up, fcw, lane change warning, steering everything except check engine light. But we are too cheap to buy a OBD2 meter, do you have any idea how to fix this?

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Heck, you'd need a dealer level scanner to fix that. But do check for loose connections at the dash, and have both battery and alternator load tested (auto zones do that free) and PRAY it's just a bad battery, it could be