Parking Brake Warning Switch: Locations

M46 (Left), M49 (Right) Joint Connector, M48 Seat Belt Switch, M50 Parking Brake Switch:

I12 Side Air Bag (Driver), I13 Driver Seat Buckle Switch, I14 SRS Control Module:

I15 Passenger Seat Buckle Switch, I16 Side Air Bag (Passenger), I17 Passenger Presence Detection Sensor: