Command AP500 Cruise Control - Sound In Motion Command AP500 Cruise Control (Electronic) The Command AP500 Cruise Control will read electronic speed signal from an electronic gearbox transducer, reed-switch speedometer, or ECU. The Command AP500 cruise Control is recommended that the installation is done by a Professional Installer. Sound In Motion are approved Command dealers – Installers. COMMAND AP500 ELECTRIC CRUISE CONTROL DIY KIT - AUTOELEC brand new command model ap500 + model cm7 pad dash switch . this is a diy package and will suit the person with some mechanical and electrical experience or can be fitted by the authorised command cruise control agent closest to you*.