adrian rmz

new to the forum i'm seeking some advise i have a 2016 suburban ltz with magnetic ride a few days ago i noticed it felt like it was bottoming out when driving down the road started reading up on it and people say when you go over 65k miles on them suspension gives out well mine has 91k on clock but what has me baffled is that there are no service warnings popping up on dashboard has anyone experienced this before any help is greatly appreciated before i go shelling out any cash