1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Inspect for resistance and continuity between the seat warmer switch terminals using a tester.

If not as specified, replace the seat warmer switch.
Seat Track Position Sensor Removal/Installation [Two Step Deployment Control
System]
Seat Warmer Switch Removal/InstallationHeater, Ventilation And Air Conditioning
Abbreviation
A/C
Air Conditioning
Features
The full-auto air conditioner has been adopted for vehicles with SKYACTIV-G
2.0.
Specifications
Full-auto air conditioner
Basic system
Item
Specification
...
Ignition Switch Inspection [Without Advanced Keyless Entry And Push Button Start
System]
1. Disconnect the negative battery cable..
2. Remove the column cover..
3. Remove the ignition switch..
4. Verify that the continuity between the ignition switch terminals is as indicated
in the table.
If not as indicated in the table, replace the ignition switch.
...
Engine Oil Level Inspection [Mzr 2.0, Mzr 2.5]
1. Position the vehicle on level ground.
2. Warm up the engine.
3. Stop the engine and allow at least 5 min before continuing.
4. Remove the dipstick, wipe it cleanly, and reinstall it fully.
5. Remove the dipstick and verify that the oil level is between the F and L marks
on the dipstick. ...