WARNING: This page is about a different car, the 2021 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
Illustration
Tool Number/ Description
Courtesy of GENERAL MOTORS COMPANY
EL 50448 Tire Pressure Monitor Sensor Activation Tool
Courtesy of GENERAL MOTORS COMPANY
EL 52100 Multi Diagnostic Interface 2 (MDI 2)
Courtesy of GENERAL MOTORS COMPANY
EL 52545 Tire Pressure Monitor Sensor and RF Diagnostic Tool