Chevrolet Silverado: Fuel / Recommended Fuel (Except 6.2L V8 Engine)
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. If the vehicle does not have a yellow fuel cap or yellow
sticker, do not use gasoline with ethanol levels greater than 15% by volume. See
E85 or FlexFuel 0 278.
Use regular unleaded gasoline meeting ASTM specification D4814 with a posted
octane rating of 87 — (R+M)/2 — or higher. Do not use gasoline with a posted octane
rating of less than 87, as this may cause engine knock and will lower fuel economy.
GM recommends the use of TOP TIER Detergent Gasoline to keep the engine clean,
reduce engine deposits, and maintain optimal vehicle performance. Look for the TOP
TIER Logo or see www...
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...
Other information:
ENGINE POWER IS REDUCED
This message displays when the vehicle's propulsion power is reduced. A reduction
in propulsion power can affect the vehicle's ability to accelerate. If this message
is on, but there is no observed reduction in performance, proceed to your destination...
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...
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If equipped with power door locks.
: Press to lock the doors.
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