Can anyone give suggestions for my Buick

Asked by Guru7CGCP Jun 10, 2020 at 10:05 PM about the 2011 Buick LaCrosse CXS FWD

Question type: Maintenance & Repair

My 2011 Buick continues to show, tighten gas
cap, Aldo show key not detected. When I can
get it to start,  it runs through a system check
and is finally able to be started.  However it
appears lights are now going dim in the dash.  
I was not able to put it in reverse the other
day.  Any suggestions.  Has new battery in car
and key.  41,000 miles.  

1 Answer

F_O_R answered 4 years ago

If tightening the gas cap does not turn the light off you may need a new gas cap. If that does not do it there is some other fault with the EVAP system. I would also check the battery and charging system.

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