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If you don't get the "service column lock" message along with it, then it could just be a dirty resistor in the key. Clean the resistor with rubbing alcohol and see if it clears up.
And if you don't have the column lock bypass already, get one.
Yes indeed,,,this COULD just be a prelude to getting stranded one day soon! It did this on and off in a very random scattered pattern ,,,and one day BAM,,left me stranded with the fuel cutoff!!
I had the same message the other day, did what it said and it never came back. From reading other post it seems to not be a problem but if some one really knows the reason behind this it would be nice to know.