WARNING: This page is about a different car, the 2022 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 38758 EL 50074 J 38758 Parasitic Draw Test Switch
Courtesy of GENERAL MOTORS COMPANY
BC 800 W BC 800 WP EL 50313 EL 42000 EL 50076 Battery Charger/Tester