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Electronic Steering Column Lock feature - no longer available

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Chevrolet, Buick/GMC and Cadillac Dealers:


As promised, we want to continue to keep you in the loop regarding the global, industry-wide shortage of semiconductors.  Due to these shortages, we are announcing several changes to certain vehicles:


Electronic Steering Column Lock:

The Electronic Steering Column Lock feature will no longer be available on certain 2021 model year:


  • Chevrolet Tahoe and Suburban
  • GMC Yukon and Yukon XL
  • Cadillac Escalade and Escalade ESV


This takes effect starting with vehicles produced on or after July 5, 2021. By taking this measure, it will enable continued production and delivery of inventory to help respond to the strong customer and dealer demand for our full-size SUV as the industry continues to rebound and strengthen.


For orders with a scheduled production date on or after July 5, 2021, GM will build certain full-size SUVs with the RPO code R7N – not equipped with Electronic Steering Column Lock (refer to the table below for trim details and the updated Order Guide which will be available July 5, 2021). This RPO code will be reflected on the Dealer Invoice along with an associated $50 MSRP credit.  The Monroney label will include this credit and indicate that the vehicle was built without the Electronic Steering Column Lock feature. Chevrolet, GMC and Cadillac are updating all consumer and dealer facing materials as appropriate.


The dealer has the responsibility to and must advise affected sold order customers immediately. In addition, dealers are strongly urged to counsel directly with all customers who purchase affected vehicles to ensure each customer understands its vehicle content.  This change to the availability of Electronic Steering Control Lock is currently expected to remain in place for the remainder of the 2021MY.  A listing of affected trims is listed below and is subject to change by General Motors:



LS, LT, RST, Z71, Premier, High Country
SLE, SLT, AT4, Denali
Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum
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