Symptoms - Automatic Level Control: Notes
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 GMC Yukon XL, 2020 GMC Yukon, 2020 Chevrolet Tahoe, 2020 Chevrolet Suburban, and 2020 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
Review the system operation in order to familiarize yourself with the system functions. Refer to Automatic Level Control Description and Operation (With Z85) , or Automatic Level Control Description and Operation (With Z95) .