1. Disconnect the negative battery cable..
2. Remove the liftgate upper trim..
3. Remove the rear spoiler..
4. Disconnect the connector.

5. While pressing the high-mount brake light tab in the direction of arrow (1) shown in the figure, press the high-mount brake light in the direction of arrow (2) to detach the high-mount brake light and liftgate.

6. Detach all the high-mount brake light tabs and liftgate and remove the high-mount brake light from the liftgate.

CAUTION:
If the high-mount brake light is removed from the liftgate, the high-mount brake light may fall off and be damaged. When removing the high-mount brake light from the liftgate, hold the high-mount brake light on the lens side with a hand during servicing.
7. Install in the reverse order of removal.
High Mount Brake Light
License Plate LightRear Body Control Module (Rbcm) Removal/Installation
CAUTION:
If configuration is not performed when the rear body control module (RBCM)
is replaced with a new one, the vehicle specification information is not stored
in the rear body control module (RBCM) and the system will not operate normally.
When performing configuration, it ...
Tire Pressure Monitoring System Warning Light
Purpose, Function
The tire pressure monitoring system warning light notifies the driver that
it was determined that a tire pressure has decreased below the specified value
based on the initialization.
The tire pressure monitoring system warning light notifies the driver that
...
Negative Battery Cable Disconnection/Connection [Skyactiv G 2.0]
WARNING:
Before removing the SRS air bag system-related parts, always disconnect the
negative battery cable and wait for 1 min. or more to allow the back-up power
supply to deplete its stored power..
Required procedure after negative battery cable disconnection/connection
...