Ram Trucks 2015 3500 - Owner Manual - Manual (Page 648)

CAUTION!
Only vehicles with the E-85 fuel filler door label can
operate on E-85.
Ethanol Fuel (E-85)
E-85 is a mixture of approximately 85% ethanol and 15%
unleaded gasoline.
WARNING!
Ethanol vapors are extremely flammable and could
cause serious personal injury. Never have any smok-
ing materials lit or products that can cause spark in or
near the vehicle when removing the fuel filler tube
cap (gas cap) or filling the tank. Do not use E-85 as a
cleaning agent and never use it near an open flame.
Fuel Requirements
Your vehicle will operate on both unleaded gasoline with
any octane rating, or solely E-85 fuel, or any mixture of
these fuels. For best results, avoid refueling pattern
alternating between E-85 and unleaded gasoline.
When switching fuel types:
• Add 5 gallons (19 Liters) or more when refueling.
• You operate the vehicle immediately after refueling for
a period of at least 5 minutes.
Observing these precautions will avoid possible hard
starting and/or significant deterioration in driveability
during warm up.
646 STARTING AND OPERATING