President Donald Trump agreed to a 30-day pause on 25% tariffs on Canada and Mexico on Monday, while a 10% tariff on China kicked in on Tuesday. The tariffs could inject chaos into auto supply chains, experts say. The auto industry accounts for 26% of imports from Mexico to the US, and 12% from Canada, UBS researchers estimated.

President Donald Trump’s proposed tariffs on Mexico and Canada could be devastating for the auto industry, according to Ford Motor Co.’s (F) CEO.

Ford Motor Co (NYSE: F) chief executive Jim Farley is concerned that President Trump’s planned tariffs could do more harm than good to the US automotive industry. Raising tariffs against China, Mexico,