The SUV does not have a relay for the brake lights, only the pickup trucks.
I am assuming you have an issue with the brake lights so I am attaching the wiring diagram plus here is a guide that will help with testing for voltage:
If the lights are not working, then check the stop lamp switch.
See the diagrams below and let us know what other info you need. Thanks
Images (Click to enlarge)
Wednesday, October 20th, 2021 AT 5:10 PM