1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Trunk board.
b. Trunk end trim.
c. Rear scuff plate.
d. Trunk side trim.
e. D-pillar trim.
3. Partially peel back the seaming welt.
4. Remove the fastener A.

5. Take the shaded area shown in the figure, and pull the C-pillar trim in the direction of the arrow (1) while detaching the pin B.
6. Remove the C-pillar trim in the direction of the arrow (2) shown in the figure while detaching guide C, tabs D.
CAUTION:
If the C-pillar trim is pulled in the direction of the arrow (1) forcefully, guide C may be damaged. Carefully pull the C-pillar trim so as not to damage guide C.
7. Install in the reverse order of removal.
B Pillar Upper Trim Removal/Installation
Center Panel Removal/InstallationNegative 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
...
Coupler Component Removal/Installation [Fw6 A EL, Fw6 Ax EL]
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool.
Always wear protective eye wear when using the air compressor. If the air
compressor is used, any particles of dirt or soiling could spatter and get into
the eyes.
...
Oil Cooler [Fw6 A EL, Fw6 Ax EL]
Purpose/Function
The oil cooler constantly maintains maximum ATF performance in the transaxle
by maintaining an optimum ATF temperature which has the effect of achieving
reduced fuel consumption.
Construction/Operation
The oil cooler performs the following operations accord ...