C2 GT - Whats this bleeping??

[c2gt0981]

When i hit about 70MPH my car bleeps at my about 2 times... what does this mean??

[megamaniac]

You are doing 70mph

[djmojo]

There's a button to the rhs of the radio that turns this function on and off. Make sure the orange light isn't lit and it chouldn't do it anymore.