The warning light on the dial comes on when a failure is detected.
See also:
5. High Beam Indicator
This light indicates that the headlights are on high beam. Pull the turn signal
lever toward the steering wheel to switch the headlights to low beam. ...
Driver’s front air bag
It consists of an instant-inflating cushion contained in a special recess in
the centre of the steering wheel. ...
4. Low Fuel Light
When the fuel level reaches approximately 1.0 gallon (3.8L) this light will turn
on, and remain on until fuel is added. ...