Keyless Entry/TPMS Receiver Removal and Installation: Removal
WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect negative (-) cable at battery.
Remove left rear pillar trim.
Disconnect connector (1), and then remove keyless entry/TPMS receiver (2)
Fig 1: Identifying Keyless Entry / TPMS Receiver With Connector