NOTE:
Because the remote transmitter battery power cannot be determined using the battery itself, determine by the remote transmitter battery low warning operation conditions.
Operation procedure for remote transmitter battery low warning
1. Place the remote transmitter inside the vehicle and close all of the doors.
2. Switch the ignition ON (engine off) and wait approx. 30 s.
3. With the brake pedal not depressed, switch the ignition off (LOCK).
4. Verify that the KEY indicator light (green) in the instrument panel is not flashing.

KEY indicator light (green) flashes for approx. 30 s
Replace the remote transmitter battery because the remote transmitter battery power is depleted..
Negative Battery Cable Disconnection/Connection [Skyactiv G 2.0]Control Valve Body [Fw6 A EL, Fw6 Ax EL]
Purpose/Function
The control valve body controls the hydraulic pressure generated by the oil
pump by each solenoid valve. In addition, the oil passages which introduce hydraulic
pressure to the pistons for each clutch and brake is formed by the switching
of each built-in shift valve. ...
Operational Range
The system operates only when the driver is in the vehicle or within operational
range while the key is being carried.
NOTE
When the battery power is low, or in places where there are high-intensity
radio waves or noise, the operational range may become narrower or the system may
not operate ...
Parking Mechanism [Fw6 A EL, Fw6 Ax EL]
Purpose/Function
The parking mechanism locks the output gear when the selector lever is shifted
to the P position which locks the driving wheels against rotation to prevent
coasting when parking the vehicle.
Construction/Operation
For component parts related to the parking ...