What is your question?
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What is your question?
I just buy a used 2015 Buick lacrosse it have a yellow gas cap for flex fuel I want to know if it's alright to use regular unleaded gas in it will it hurt the motor.
1 Reply
The term “FLEX FUEL” means that the engine will operate on multiple blends of fuel - which does indeed include regular unleaded gasoline. Recommend referencing owner’s manual for more details.