Oil change .... sticker or use oil percentage on dash?

[Fire*guy]

Ok, my head is spinning with this oil change recommendations.
I had my oil changed at the GMC dealership...they place a sticker on window that says 3500 miles its due..... really ?
My in dash oil percentage is still at 68% with 3500 miles. My truck is 2023 3.0 diesel with 33k miles ..which do I follow without voiding or having problems with warranty later?

 

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[R467X]

You're going to get a difference in opinion from every other person - if you want to accurately know if you're due for a change or not - pay for a oil analysis.

Otherwise - oil changes are cheap - new engines are not. I change my Duramax every 6 months or 3k miles.

Never follow your %.

 

[TX_Critter]

I follow the oil life monitor but change it at like 20% or so.