1st time GMC owner and 1st post in the forum.
I was hoping if any of you 2021 Yukon owner could see if you hear a whistling noise after the auto start cuts back on. Make sure the AC is turned off...helps engage the auto stop easier.
I only noticed it after I stopped to talk to a neighbor and...
2021 GMC Yukon Denali
First time posting in here and also a first time Yukon owner.
Makes whistling sound when car restarts after auto stop. (Roll window down to hear)
When slowing down and it downshifts from 20mph to 10mph, there is a pronounced spinning sound. (Window is rolled...