Mario Andretti knows ... bad things happen when you drive angry.
So, watch this video -- because the racing legend was at LAX Thursday and gave TMZ Sports a very simple tip about how to beat road rage.
Remember, no matter how bad it gets out there ... there's no reason to resort to violence -- even if someone throws a burrito at your head.
Here's How to Beat Road Rage ...
4/11/2014 12:25 AM PDT BY TMZ STAFF
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