When the knurled ring is at 
push
the lever towards the dashboard (stable position).
The warning light 
on the instrument
cluster will come on.
Pulling the lever towards the steering wheel again, the main beams are turned off and the dipped beams on.
See also:
Driver’s front air bag
It consists of an instant-inflating cushion contained in a special recess in
the centre of the steering wheel. ...
Automatic Transmission – If Equipped
The automatic transmission and differential assembly are contained within a single
housing.
The fluid level in the automatic transmission should be checked whenever the
vehicle is serviced. Opera ...
General failure indication
The warning light on the dial comes on when a failure is detected. ...