Cadillac 2005 STS - Manual (Page 164)

AUTO (Automatic): Turn the control to this position to
put the headlamps in automatic mode. AUTO mode,
if enabled, will turn the exterior lamps on and off
depending upon how much light is available outside of
the vehicle.
Due to the “momentary” switch design, your automatic
lights may be disabled even if you are in AUTO position.
To enable automatic lighting do any of the following:
• Turn the headlamp control from AUTO to off
and release the switch. It will return back to
the AUTO position by itself.
• Turn the headlamp control from the parking lamp
position to AUTO.
• Turn the headlamp control from the headlamp
position to AUTO.
To disable automatic lighting do any of the following:
• Turn the headlamp control from AUTO to off
and release the switch. It will return back to
the AUTO position by itself.
• Turn the headlamp control from AUTO to the
parking lamp position.
• Turn the headlamp control from AUTO to the
headlamp position.
Disabling automatic lighting will disable the automatic
headlamp operation, DRL, and Intellibeam High-Beams
(if equipped).
; (Parking Lamps): Turn the control to this
position to turn on the parking lamps together with
the following:
• Sidemarker Lamps
• Taillamps
• License Plate Lamps
• Instrument Panel Lights
5 (Headlamps): Turn the control to this position to
turn on the headlamps, together with the previously
listed lamps and lights.
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