1. Park your vehicle on a level surface and engage the parking brake.
2. Loosen the lug nuts on the rear wheel but don't remove them completely. Just enough to be able to take off the wheel later on.
3. Raise the vehicle with a floor jack or lift, making sure to properly support it with jack stands.
4. Remove the wheel.
5. Locate the rear caliper. It will be located on the back side of the wheel hub.
6. Check for and remove the rubber dust cap from the caliper.
7. Use an appropriate tool such as a C-clamp or a caliper winding tool to compress the piston into the caliper cylinder.
8. This may require some effort as there may be pressure holding the piston in place.
9. Make sure to turn the caliper piston clockwise while pressing it back in.
10. Once the caliper piston is completely depressed, reinstall the rubber dust cap.
11. Reattach the wheel and lower the vehicle.
12. Finally, tighten the lug nuts in a star pattern to their specified torque.
13. Test the brakes to ensure that they are functioning correctly before driving.
Always remember to prioritize your safety while performing any automotive maintenance or repairs, and make sure to consult a professional if you are unsure about any step of the process.