Earlier quoted context omitted.
It's a good point though. Why/how is something unsafe for an American, but safe for an Italian or Spaniard? Differing regulations and standards between countries usually makes no sense and just harms the consumer. How is a Volvo made for the Swedish market unsafe on Canadian roads? EU and Canada recently signed a trade agreement so that they won't tariff eachothers' cars, but consumers still can't buy a car from a Eu…
There are various regulatory trade-offs between safety and cost of compliance. For instance: Cars sold as new in Canada require daytime running lights and yellow rear turn signals, due to extended periods of low visibility. While the running lights are a requirement in Sweden, they aren't in Poland or many other European countries. There's been some effort on standardizing between US and Canada since 2016, which woul…
In the EU the turn signals is mandated to be amber. In the US/CA, the turn signal can be either amber or red, but must be of a certain area. Other jurisdictions do not have an area regulation.
So OEMs simply make brake lights double as turn signals when they import vehicles.
If the non-US OEMs 'just' made bigger turn signals they wouldn't have to do this.