The death toll from crashes involving General Motors cars with defective ignition switches has risen to 57...Detroit-based GM was aware of faulty ignition switches on Chevrolet Cobalts and other small cars for more than a decade, but did not recall them until 2014. On 2.6m cars worldwide, the switches can slip out of the “on” position, causing the vehicles to stall, knocking out power steering and turning off the air bags...Last year, GM set aside $400m to make payments, but it conceded that could grow to $600m...GM still faces 104 wrongful death and injury lawsuits due to the faulty ignition switches...