Chevrolet Silverado: Warning Lights, Gauges, and Indicators / Lane Departure Warning (LDW) Light (2500/3500 Series)

This light is green if LDW is on and ready to operate.
This light changes to amber and flashes to indicate that the lane marking has
been crossed without using a turn signal in that direction.
See Lane Departure Warning (LDW) (2500/3500 Series).
If equipped, the Hill Descent Control light comes on when the system is ready
for use. When the light flashes, the system is active.
See Hill Descent Control (HDC)...
After the vehicle is started, this light turns off and stays off if LKA has not
been turned on or is unavailable.
If equipped, this light is white if LKA is turned on, but not ready to assist...
Other information:
If the vehicle has the Duramax diesel engine, see the Duramax diesel supplement.
All Engines Except 6.6L V8 Engine (L8T)
The vehicle has electric cooling fan(s). The fans may be heard spinning at low
speed during most everyday driving. The fans may turn off if no cooling is required...
If equipped, this feature delays the locking of the doors until five seconds
after all doors are closed.
Delayed locking can only be turned on when the Open Door Anti-Lockout feature
has been turned off.
When is pressed on the power door
lock switch while the door is open, a chime will sound three times indicating delayed
locking is active...
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If equipped, there is a small convex mirror built into the upper and outer corner
of the driver outside mirror. It can show objects that may be in the vehicle's blind
zone.
Driving with the Blind Spot Mirror

Actual Mirror View
When the approaching vehicle is a long distance away, the image in the main
mirror is small and near the inboard edge of the mirror.
As the vehicle gets closer, the image in the main mirror gets larger and
moves outboard.
As the vehicle enters the blind zone, the image transitions from the main
mirror to the blind spot mirror.
When the vehicle is in the blind zone, the image only appears in the blind
spot mirror.
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