Another question I have is why does my 318iS 91 or 92 beep three times at random times? Since the car didn't come with a book I bought a manual, but I can't find anything about beeps. I asked a mechanic and he looked blank...
Some OBC's have a memo minder that beeps at the top of the hour in case you wanna catch the news or something. Does the clock or OBC have a display of "M" or "ME"?
My goodness, do I feel silly. I have no idea if my clock has an M showing. I'll have to check. It's hard to see because it's half dead. I know the clock works, but the temperature doesn't. Is it hard to find and replace the little square? It used to have a brighter light, but when the temp stopped working, the light got dim. Thank you!
If the temp displays -40 it may mean the sensor is not connected or missing. It's usually located in one of the brake cooling ducts if you car has them.
28 probably means its 28 degrees outside. Instead of an M, you may notice a symbol resembling a sound wave or a wifi symbol to indicate the top-of-the-hour chime is on. Your OBC may have a 'MEMO' button that toggles this functionality on/off.
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