uint64 timestamp # time since system start (microseconds) bool ignition_on # activate/deactivate ignition (Spark Plug) float32 throttle_control # [0,1] - Motor should idle with 0. Includes slew rate if enabled. float32 choke_control # [0,1] - 1 fully closes the air inlet. float32 starter_engine_control # [0,1] - control value for electric starter motor. uint8 user_request # user intent for the ICE being on/off