A vehicle (100, see fig 1a) includes headlights (102), a headlight switch assembly 200, and a controller. Said controller is configured to respond to an input from the driver to override an automatic function whereby the headlights remain permanently illuminated until the vehicle is switched off. Prior to any override input, the automatic function illuminates the headlights based on ambient light conditions. The headlight switch assembly may have automatic and override positions, and include a biasing member configured to return the switch to the automatic position from the override position. Additionally, the controller may set an ambient threshold based on a level of ambient light sensed at a time of the input indicative of headlight switch movement from the automatic position to the override position and illuminate the headlights until first occurrence of the ambient light exceeding the threshold or the vehicle being in the key-off state.
Automatic vehicle lighting control
2017-05-03
Patent
Electronic Resource
English
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