This lever can be found on the left side of the steering wheel as shown below.
The knob controls 3 settings of the headlights. To turn on the headlights, turn the knob clockwise, away from you.
As you turn the knob clockwise, the first setting activates the auto sensors, allowing the headlights to turn on automatically in low-light conditions.
When you turn the knob clockwise again, the second setting turns on the headlights manually. Remember to switch it off once you are done with your booking.
To activate a quick flash of the high beam, pull the same lever towards you. To keep it on, push it away from you.