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Circuit/System Description

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

The cornering lamps are activated automatically at vehicle speeds below 40 km/h (25 MPH) when the turn signal/multifunction switch is placed in either the turn left or turn right positions and/or when the steering angle is changed from the straight-ahead position towards the side the vehicle is turning. When the headlamp control module detects that one of these operations has occurred, the headlamp control module applies battery voltage to the appropriate cornering lamp to illuminate the area that the vehicle is turning. The cornering lamps are deactivated automatically when the turn signal/multifunction switch is placed in the neutral position and/or the steering angle has returned in the straight-ahead position. The cornering lamps will not operate at vehicle speeds above 40 km/h (25 MPH).

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