When driving my milage gos off and speed in km/h comes on in place of it. Is there anyway I can change this so the millage stays on? Also when you flick through the different displays the mph reading never displays anything just dashes (----) why is this?

Instantaneous fuel consumption will show as dashes if the car is on the over run (moving in gear without the throttle applied) as it will not be injecting any fuel and mathematics states that you can't divide by zero.

The MPH --- is for you to set a speed limit, which will 'bong' when you exceed that speed.

Really? How do you set this? That's an interesting feature. Doubt I'll use it though lol

Really? How do you set this? That's an interesting feature. Doubt I'll use it though lol

Select the MPH--- and press the button under the stalk at the speed you require, you can then adjust it up and down in 5 mph sections with the rocker on the end of the stalk. 

Alternatively RTFM.