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:
Air Pressure : The amount of air inside the tire pressing outward on each
square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds
per square inch).
Accessory Weight : The combined weight of optional accessories. Some examples
of optional accessories are automatic transmission, power windows, power seats,
and air conditioning...
Four-wheel-drive vehicles can be used for off-road driving. Vehicles without
four-wheel drive and vehicles not equipped with All Terrain (AT) or On-Off Road
(OOR) tires must not be driven off-road except on a level, solid surface. For contact
information about the original equipment tires, see the warranty manual...
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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