1tisILeClerc - it is you and your Remainer pals on here who fail to understand business and economics, preferring emotive ejaculations about how the UK will be punished because it dares to leave the EU.
Regarding the Japanese and the car industry: Currently Japanese car makers have 16 research and development centres, and 14 factories, inside the EU employing 34,000 people directly and supporting another 127,000 jobs. In the UK they have 3 plants. Why set up in the UK when the extra cost of shipping the cars exported from UK to EU isn't helpful. There are other economic factors at work here which aren't going to be particularly hindered by a small tariff (not that there will be one).
Honda will import the two SUVs it sells in Europe, the CR-V and the HR-V, from Japan to help boost capacity utilization at factories in its its home market.
Honda had planned to build the next-generation CR-V compact SUV for Europe in Ontario, Canada, starting in September 2018. The current European model is built in Swindon, England.
The Japanese automaker said last November it would focus Ontario production on supplying North American instead of capitalizing on a new free-trade agreement between Canada and the European Union.
Future CR-Vs for Europe will be built only in Japan. The automaker also will stop exporting the HR-V subcompact SUV to Europe from Mexico when the model is face-lifted in 2019. Production will move to Yorii, Japan.
Well look at that, the Japanese were going to export cars from Canada to supply the EU market but are now not going to, even with a new FTA between the two countries. Also Japan currently supplies the EU market with cars exported from Mexico. Again it's going to stop this and move production to where? Not the EU but back to Japan. Well blow me down! Could that be anything to do with the new EU-Japan FTA? Yes, that and the fact that the Japanese want to make use of spare capacity in it's domestic plants.
So you can see there are many, many variables at work in these decisions and the one thing they are not guided by is some butt-hurt Remainer emotion about being in a supra-national club.