The dashboard lights beginning with the day light goes off then back on within 20 seconds and sometimes does it again. It is random when it happens.
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2007 Toyota Matrix Question: dashboard lights go off and on
Answer #1patrick mannion from Greg Solow's Engine Room, April 21, 2010, 22:50Master
Does the car still have a warranty from Toyota? If not I would suspect a bad connection behind the dash or a failing circuit board in the instrument cluster. I work on a lot of Toyotas but have not seen this problem with the Matrix.