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Replaced the oxygen sensor. Check engine light went off, but

(1999 Mercedes-Benz SLK230)
in Damascus, VA on April 16, 2013
there is a little green light to the right of the headlamp switch that stays on. And the two red lights to the left of the headlamp switch flash and beep when i am near automatic doors or police radar. Computer problem???
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Popular Answer
of Greg's Orange Auto on April 16, 2013
radar detector. sorry lol just had to say that. seek diag and est
on April 17, 2013
I know, I laugh every time it starts beeping cause there is always a police car up ahead. Ok, your suggestion was to seek a diagnostic test?
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