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:
See Radio Frequency Statement.
If there is a decrease in the Remote Keyless Entry (RKE) operating range:
Check the distance. The transmitter may be too far from the vehicle.
Check the location. Other vehicles or objects may be blocking the signal...
If you are considering towing a trailer with your vehicle, you should first check with your country's Department of Motor Vehicles (DMV) or local regulatory authorities to determine their exact legal requirements and licensing stipulations.
Since towing regulations vary significantly by region, the legal requirements for towing trailers, recreational equipment, or other types of vehicles and apparatus may differ...
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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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