Chevrolet Caprice 2011 Programming Ford, GMC, and Chevrolet cars .. - Disconnect - Stop the four-cylinder DoD system - Improve throttle response - Cancel exhaust sensor and turn off the engine light - Cancel security - Programming discharge - Gear jump - Programming popcorn and backfires - P+N switches (shoulders+fast, electric) - Programming tire size after changing - Raise RPM or idle - Open torque