on 2013 Nissan Altima there's an indicat or with two cars on my dashboard. looks like it indicatess a collision of some sort. what does it mean?
Not sure what you are discribing. But this manual may help you. https://owners.nissanusa.com/content/techpub/ManualsAndGuides/Altim a/2013/2013-Altima-owner-manual.pdf
Page 4-7 show couple of cars on touch screen as traffic information button.
Page 5-20 talks of blind spot warning system. The indicator does appear to be what you are describing.
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