2017 buick lacrosse

Hello and please help guide me. I have a 2017 Buick LaCrosse Essence now with "Engine power is reduced." Light on. Took it to dealer that we have had all work done on and they don’t have an answer or code u less we pay almost 1k $ more to find out either 1 problem or 2nd problem would result...

Hey folks, I'm new to the forum after buying my granddad's 2017 LaCrosse Essence! (Happy to be driving that average Buick owner age down xD) I'm curious if the trunk lid on your 2017+ LaCrosse's fully open when popped from the fob. Mine cracks open a few inches, but it requires me to lift the...

I am wanting to buy an high output alternator for my 2017 buick Lacrosse 3.6 l premium. I however can not find the right information I need to confirm my choice. The website shows it fits my car but it doesn't look like my alternator. Does anyone know if this would fit my car? Are there any...