Russia,  is a top supplier of important raw materials for automakers, including palladium, platinum, aluminum, pig iron and nickel. Prices on many of those raw materials have jumped in recent weeks because of the war, and there are concerns about whether companies will be able to source enough materials from other countries.

Also suppliers have invested about $600 million in 38 Ukrainian factories since 1998, employing about 60,000 people. Most of those plants are located in the western half of the country.