1. Verify that the brake fluid level in the reserve tank is between the MAX and MIN marks.

If the brake fluid level is below the MIN mark, add brake fluid.
Brake Fluid Air Bleeding
Brake Fluid Pressure Sensor InspectionSeat Weight Sensor Control Module Removal/Installation [Two Step Deployment
Control System]
CAUTION:
When the seat weight sensor control module is replaced with a new one, perform
the seat weight sensor calibration using the M–MDS..
1. Switch the ignition to off.
2. Disconnect the negative battery cable and wait for 1 min or more..
3. Disconnect the connectors.
...
Automatic Transaxle Fluid (ATF) Replacement [FS5 A EL]
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool before changing the ATF.
1. Drain the ATF.
a. Remove the oil dipstick.
b. Remove the aerodynamic under cover NO.2..
c. Remove the drain plug and washer to drain the ATF in ...
Mass Air Flow (MAF) Sensor/Intake Air Temperature (Iat) Sensor No.1 Removal/Installation
[Skyactiv G 2.0]
CAUTION:
Be careful not to hit the sensor element or allow foreign matter to get on
it during sensor removal/installation. If the sensor element is hit or foreign
matter gets on it, an error may occur in the sensor output signal resulting
in deterioration in the engine control.
...