OleBill

Speedometer suddenly began reading about 30 mph high in dash and in HUD. No changes to vehicle. Anyone had/fixed this problem?

lucky99

Slow down

Corvette#2

It might be showing kilometers per hour. Try pressing the E/M button.
I've hit mine accidentally before.

lucky99

That what I would look at first the E/M button I have done the same thing.

OleBill

I'm a bit embarrassed, it was an inadvertent bump of the E/M button when I reset after a DIC message. Reminds me of the time when I was disassembling a distributor to fix a Triumph Spitfire that ran out of gas back in the sixties. Thanks for your responses.

Black 03 Z06

OleBill your car is just telling you it is about time for a trip up to Canada to wander around. You would be welcomed.

Glad you figured it out.

dbgoodwin

We've all been there before though with something.