1938 Cadillac V16 - GM Heritage Center

The control switch is of the push-pull type and is
located at the left of the instrument panel above the
starter button. It pulls out into three positions, the
first of which is for parking. If the instrument board
control is in its second or mid-way position, a foot
button on the floor to the left of the clutch pedal permits
the driver to switch his lights from City Driving to
Safe, Non-glare Headlighting
Country Driving. If it is in the third or outermost
position, the foot button will switch the lights from
Country Driving to Country Passing. This four way
use of the foot button is an additional and exclusive
feature of Cadillacs and LaSalle.
To meet legal requirements, both headlamps use
32-32 candlepower bulbs.
Headlamp
Beam Indicator
A light beam indicator on the speedometer dial tells
the driver instantly in which of the three headlighting
positions he is operating. This helps him avoid driving
without lights or unintentionally blinding the oncoming
driver. In parking the driver is less apt to leave the
City Driving Lights on instead of the lower candle-
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