Three problems related to headlights have been reported for the 2018 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 GMC Sierra 2500 based on all problems reported for the 2018 Sierra 2500.
Headlight shakes and flickers while driving over bumps in the road. Happens on city streets and highways. Flickering is very distracting and draws attention away from your surroundings.
Hid headlights shake when hitting the slightest bump in the road. Gm says it's normal and refuses to try to fix.
Headlights shake when going over bumps in highway. Its distracting and irritating and takes your attention from the road when it happens.