General Motors recalls 2016-2017 Cadillac CT6 vehicles with excessively bright park/position lights that may cause crashes. Owners must have dealers install free headlight harnesses by November 2021.
The excessive brightness may affect the vision of other drivers, increasing the risk of a crash.
General Motors is recalling certain 2016-2017 Cadillac CT6 vehicles because their park/position lights are too bright, which could affect other drivers' vision and increase crash risk. Affected owners should contact dealers for a free fix. Read more at govinfonow.com/recall/1225655-cadillac-ct6-2017-recall-excessive-headlight-brightness-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/1225655-cadillac-ct6-2017-recall-excessive-headlight-brightness-risk · Updated October 4, 2026 · Official notice: NHTSA #21V759000
“Cadillac CT6 (2017) Recall: Excessive Headlight Brightness Risk.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/1225655-cadillac-ct6-2017-recall-excessive-headlight-brightness-risk. Based on NHTSA recall 21V759000 (https://www.nhtsa.gov/recalls?nhtsaId=21V759000).
The park/position lights are brighter than required, which can temporarily blind other drivers and increase crash risk during nighttime or low-visibility conditions. This violates federal vehicle safety standards.
Owners of 2016-2017 Cadillac CT6 vehicles are affected. Drivers using these vehicles with excessively bright park/position lights are most at risk.
Check if your 2016-2017 Cadillac CT6 has park/position lights that appear excessively bright. The recall covers vehicles sold between 2016 and 2017.
Dealers will install free right and left side in-line headlight jumper harnesses to reduce light brightness.
Owner notification letters were mailed November 3, 2021, so you should have received one by that date.
Dealers will install right and left side in-line headlight jumper harnesses, free of charge. Owner notification letters were mailed November 3, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N162016079.
The park/position lights are too bright, which can affect other drivers' vision and increase crash risk. This violates federal vehicle safety standards.
Check if your 2016-2017 Cadillac CT6 has park/position lights that appear excessively bright.
Contact a Cadillac dealer to get a free headlight harness fix. Owner notification letters were mailed November 3, 2021.
We’ve drafted a message you can send Cadillac to request your refund or repair — edit it as you like.
Subject: Recall 21V759000 — Cadillac Cadillac Hello, I own a Cadillac that is covered by recall 21V759000 from Cadillac. The official recall notice states: Dealers will install right and left side in-line headlight jumper harnesses, free of charge. Owner notification letters were mailed November 3, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N162016079. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
Experiences, tips, and questions from readers. Every comment is reviewed before it appears.
No comments yet — be the first to share your experience.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.