Chevrolet Silverado: Fuel / Recommended Fuel (6.2L V8 Engine)
Premium unleaded gasoline meeting ASTM specification D4814 with a posted octane
rating of 93 — (R+M)/2 — is highly recommended for best performance and fuel economy.
Unleaded gasoline with an octane rated as low as 87 can be used. Using unleaded
gasoline rated below 93 octane, however, will lead to reduced acceleration and fuel
economy. If knocking occurs, use a gasoline rated at 93 octane as soon as possible,
otherwise, the engine could be damaged. If heavy knocking is heard when using gasoline
with a 93 octane rating, the engine needs service.
Do not use any fuel labeled E85 or FlexFuel. Do not use gasoline with ethanol
levels greater than 15% by volume.
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax diesel
supplement.
If the vehicle has a yellow fuel cap or a yellow sticker on the fuel door, E85
or FlexFuel can be used...
Caution
Do not use fuels with any of the following conditions; doing so may damage
the vehicle and void its warranty:
For vehicles that are not FlexFuel, fuel labeled greater than 15%
ethanol by volume, such as mid-level ethanol blends (16–50% ethanol), E85, or
FlexFuel...
Other information:
GM has developed and matched specific tires for the vehicle. The original equipment
tires installed were designed to meet General Motors Tire Performance Criteria Specification
(TPC Spec) system rating. When replacement tires are needed, GM strongly recommends
buying tires with the same TPC Spec rating...
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. When less power is required, such as cruising at a constant
vehicle speed, the system will enable reduced cylinder operation, allowing the vehicle
to achieve better fuel economy...
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To adjust each mirror:
Press or
to select the driver or passenger side
mirror. The indicator light will illuminate.
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