@silvercab49 I had that message on my first cab. It turned out the brake servo had failed so need the engine running to boost the power in the brakes. Make sure they have one in stock, I had to wait two weeks for parts.
@FreeNow_UK is coming forth to carry me home... and they're giving me the chance to win £50 credit. Retweet for your win as well! #FREENOWSixNations
https://t.co/uShazRRXUw