Other information:
If the vehicle is equipped with OnStar and has an active service plan, additional
data may be collected and transmitted through the OnStar system. This includes information
about the vehicle’s operation; collisions involving the vehicle; the use of the
vehicle and its features, including infotainment; and the location and approximate
GPS speed of the vehicle...
It is best not to park with the vehicle running. If the vehicle is left running,
be sure it will not move and there is adequate ventilation.
See Shifting Into Park and Engine Exhaust.
If the vehicle is left parked and running with the RKE transmitter outside the
vehicle, it will continue to run for up to half an hour...