Depress the button on the seat belt buckle.

Fastening the Seat Belt
Seat Belt ExtenderCheck Valve (One Way) Inspection [Mzr 2.3 Disi Turbo]
1. Disconnect the vacuum hose connected between the check valve and the purge
solenoid valve from the purge solenoid valve..
2. Disconnect the vacuum hose connected between the check valve (one-way) and
the intake manifold from the intake manifold..
3. Blow through the check valve (one-way) ...
Engine Oil Replacement [Mzr 2.0, Mzr 2.5]
WARNING:
Hot engines and engine oil can cause severe burns. Turn off the engine and
wait until it and the engine oil have cooled.
A vehicle that is lifted but not securely supported on safety stands is dangerous.
It can slip or fall, causing death or serious injury. Never work ...
Transaxle Oil Replacement [A26 M R]
1. Park the vehicle on level ground.
2. Remove the aerodynamic under cover No.2..
3. Remove the drain plug and gasket.
4. Drain the oil into a suitable container.
5. Install a new gasket and the drain plug.
Tightening torque
28—51 N·m {2.9—5.2 kgf·m, 21—37 ft·lbf}
...