Don't panic . yet
we sometimes have certain dash warning lights come on our 2006 SH-AWD Honda Legend .... never on my Ls400 .... and find that in all instances, after a while, a day or two, the lights go off and normality returns..... for quite some weeks or months . until the next time
At first when the gearbox light came on we panicked and took it for diagnoses . couldn't find any issues then, a reset and the light went out ........... permanently.
Methinks it's built-in scaremongering by the teccies building these cars .......... far too sensitive and quite likely nowt to worry about. especially if the lights go out again
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Look at the AA and RAC TV adverts, a car breaks down, well, a dash light comes on and car at side of the road .. the marketing says we get 99% ? of breakdowns back up and running within 30 mins .... wonder if that's the time it takes to get to the " breakdown " and the 2 mins to reset the dash lights
Malc