hi peeps, i was involved in a low speed collision last week. i went to go round a stopped vehicle and slid into the back of it due to the ice.i was only doing approximately 20mph. the company inspecting the vehicle said one of the rear tyres was past the limit although i didnt think it was,as they were checked and i had just had two new tyres on the front. will they invalidate my insurance because of this rear tyre. im a little concerned.