See also:

Automatic update
About twice a year, Sirius performs an update of the channel names and positions. The update takes place automatically and may take several minutes. ...

Buckling the belt
Make sure you hear the latch plate engage in the belt buckle. ...

Distance to back of head: manual head restraints
Distance to back of head: manual head restraints ▷ Forward: by pulling ▷ Back: press the button and push the head restraint toward the rear. ...