Then hold them accountable for when they botch it? I get it if I were someone who didn't know any better--but since I DO, it literally takes two minutes to check the sheet, check the oil, check the oil pan plug, etc.
I'm not averse to doing my own work/labor. Not afraid to get dirty. Just...
Sheesh, some of these replies... I get that "if you want something done right, do it yourself" but it's not unreasonable to hold a dealership with a dedicated service department to a high standard for something like an oil change. Yeah, maybe you need to double-check their work. Jeep is offering...
Looks like this Quaker State Euro 5W-40 has MS-12991 spec listed on the label. And, at $19/5 qt., that's probably the cheapest you'll find, too:
https://www.walmart.com/ip/Quaker-State-5W-40-Euro-Full-Synthetic-Motor-Oil-5-Quart/737859365
Although, their spec sheet doesn't list it, but it is...
🤷♂️ I think folks are just going by what's in the owner's manual to avoid any potential repercussions... that's all. I'm sure the MS-12991 spec is fairly new, hence why not a lot of manufacturers have it, and it probably cost $$$ to get an oil certified.
You do what you want to do... but I...