General Motors, the largest producer of cars in Mexico, won’t provide details on how it would react if President Trump imposes 25 percent tariffs from the two countries.

U.S. President Donald Trump’s pledge to levy punishing new tariffs on Canada has prompted calls for Ottawa and the provinces to turn to other markets. But any bid to do more business with Canada’s second-largest trading partner,

Trump said in an Oval Office signing ceremony on Monday that his administration will impose a 25% tax on goods from Canada and Mexico that may come as soon as February 1 – a move that could raise prices for American consumers.