See also:

Unfastening the rear seatbelts seatbelt
Push the button on the buckle. Before closing the door, make sure that the belts are retracted properly to avoid catching the belt webbing in the door. ...

ON
This is the normal operating position after the engine is started. ...

While going down a hill
When you are descending a hill or any other slope while braking with the “SPORT” mode selected, the transmission may downshift to 3rd or 2nd gear depending on how hard you depress the brake ...