Vehicle Horn; Master Lamp Switch - Aston Martin DB 9 2013 Manual

Windshield Washer Control : Press the
button (C) for more than one second to
operate the windshield washers.
Operation continues until the button is
released. When released the washers stop
immediately but the wipers continue for a few strokes, ending with a
pause and then a final wipe.
If used during normal wiper operation, the wipers operate
continually irrespective of the washer operation.
Headlamp Washers : Headlamp washers will operate automatically,
once per journey (each ignition ON), if the windshield washers are
operated and the headlamps are ON.

Vehicle Horn

To sound the horn press the center pad of the steering wheel at any
of the positions shown (A).

Master Lamp Switch

[1] : All external lamps OFF.
[2] : Side, side marker, rear and
license plate lamps ON.
[3] : With the vehicle key at
position 'II' in the ignition
control, Headlamps ON, in
addition to the side, side marker,
rear and license plate lamps.
[4] AUTO: With the vehicle key
at position 'II' in the ignition
control, if ambient light fades the
side, side marker, rear and
license plate lamps and headlamps will switch ON automatically. If
ambient light then increases, the side, side marker, rear and license
plate lamps and headlamps automatically go OFF.
A light sensor at the top of the windshield monitors ambient light
levels for automatic lamps operation. Keep the windshield clean and
make sure that the sensor is not obscured. Obstructing the light in this
area may lead to unwanted operation of the automatic lamps.
4.13