Chevrolet Silverado: Starting and Operating / Extended Parking
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.
If the vehicle is left parked and running with the RKE transmitter inside the
vehicle, it will continue to run for up to an hour.
The vehicle could turn off sooner if it is parked on a hill, due to lack of available
fuel.
The timer will reset if the vehicle is taken out of P (Park) while it is running.
If equipped, Active Fuel Management allows the gasoline engine to operate on
either all of its cylinders, or a reduced number of cylinders, depending on the
driving conditions...
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...
Messages displayed on the Driver Information Center (DIC) indicate the status
of the vehicle or some action that may be needed to correct a condition. Multiple
messages may appear one after another.
The messages that do not require immediate action can be acknowledged and cleared
by pressing the thumbwheel...
Categories
Warning
Never leave a child, a helpless adult, or a pet alone in a vehicle, especially
with the windows closed in warm or hot weather. They can be overcome by the extreme
heat and suffer permanent injuries or even death from heat stroke.

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