BestKeys 112imp-R Keyless Entry 2011-2012 Chevrolet Impala Keyless Entry Remote Key Fob (Dealer Program Only) Remote requires 1 working key to program. We will provide a link to our website with Free Do-It-Yourself instructions with your order for vehicles up to 2010 We will provide a link to our website with Free Do-It-Yourself instructions with your order.