 The solenoid is computer controlled, and will deactivate if the throttle is opened wide enough, or the car reaches speeds above those typical in city driving.The skip shift feature was originally introduced in the Chevrolet Corvette in the late 1980s, with the name CAGS (Computer-Aided Gear Selection), and is present on many sporting cars produced in the US from the 1990s onwards on every car fitted with the Tremec T-56 and TR-6060, including the Dodge Viper, Pontiac Firebird, 2004-2006 Pontiac GTO, Pontiac G8 GXP, V8/SS Chevrolet Camaro and Cadillac CTS-V.The effect of the system on normal driving has been described as "dreaded", "awful" and "annoying".