Originally Posted by TimsGX

I have Michelin Cross Terrains on my GX. I had the vibration issue between 60-70 mph. They tried balancing the tires while they were still on the vehicle - this got rid of some of the problem but not all. My service tech then rembered an issue where they sold a GX that had flat spots on the tires due to hot weather and sitting on the lot. They increased my tire pressure to 38 psi and told me drive it like that for about 200 miles. I noticed the issue went away at once and it has never returned. Hope this helps someone!!