Buick Regal 2018-2026 Owners Manual / In Brief / Performance and Maintenance / Fuel (2.0L Turbo Engine)
Buick Regal: Fuel (2.0L Turbo Engine)
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Premium Recommended Fuel
Use premium 93 octane unleaded gasoline in your vehicle. Unleaded gasoline with an octane rating as low as 87 may be used, but it will reduce performance and fuel economy.
Fuel (3.6L Engine)
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Regular Fuel
Use only unleaded gasoline rated 87 octane or higher in your vehicle.
Do not use gasoline with an octane rating lower as it may result in vehicle damage and lower fuel economy.
E85 or FlexFuel
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No E85 or FlexFuel
Gasoline-ethanol fuel blends greater than E15 (15% ethanol by volume), such as E85, cannot be used in this vehicle.
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Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life system sho
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Universal Remote System
Operation
Using the Universal Remote
System
Press and hold the appropriate
Universal Remote system button for
at least one-half second. The
indicator light will come on while the
signal is being transmitted.
Erasing Universal Remote
System Buttons
Erase all programmed buttons when
vehicle ownership is termina
Repair Instructions
Outside Rearview Mirror Replacement
Preliminary Procedures
Front Side Door Window Garnish Molding Replacement.
Outside Rearview Mirror Bolt [3x]
CAUTION:
Fastener Caution.
Tighten
9 N.m (80 lb in)
Outside Rearview Mirror
Procedure
Disconnect the electrical connector.
Unlock the retainin
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