Airbags and acrylic wedges will do it but chances are you don't have them. The AA or similar will. Or do the window. I'd coat the window with sticky back plastic or baking paper and treacle worst case. Otherwise you'll be finding glass for months.
You brought up the race track. She objects to people travelling through the ford as if it was part of a race track, which is fair enough and completely understandable. Kids running about on a hot day and chatting is not what she is complaining about. She was very chatty herself.
Did terling and buttsbury today in the ....works slitty. Terling about 2 foot 5 deep, deep enough to be fun but not a problem the drop off is still there, bit of a jolt. Buttsbury was a wasted journey, a fiat 500 did it the other way.
I have spoken the woman and Standon, she was very nice . She doesn't mind the vehicles coming down to the ford, she minds those that drive through it flat out and play there, which seems reasonable enough.
A number plate looking slightly different (unlikely to be better although it's is subjective) is not worth the risk of getting a fine or feeling the wrath of a traffic copper who ain't getting any off his missus. Just not worth the expense or effort of getting one made up