Forgot to mention. have a quick check on the radiator pipe routing to the expansion tank. There was a well known issue on my 2009 version where the pipe routing to the expansion tank from the radiator went into a T (one to the expansion tank and one to the floor), when the radiator got hot and the fluid expanded instead of most going back into the expansion tank it ended up on the floor. i sorted it with a blanking plug to route it back into the tank.
The design was piss poor and corrected on a later version that didn't have the T routing to the floor, hopefully yours is the sorted version. Worth checking the pipe routing or a doing little research just for peace of mind.