Tow/Haul Mode Light; Lane Keep Assist (Lka); Light; Vehicle Ahead Indicator - GMC YUKON 2017 Owner's Manual

The four-wheel-drive light comes on
when the transfer case is shifted
into four-wheel drive and the front
axle engages. LO or HI will also be
next to this light when the vehicle is
in four-wheel low or four-wheel high.
Some delay between the shifting
and the light coming on is normal.
See Four-Wheel Drive 0 233.

Tow/Haul Mode Light

For vehicles with the Tow/Haul
Mode feature, this light comes on
when the Tow/Haul Mode has been
activated.
See Tow/Haul Mode 0 232.

Lane Keep Assist (LKA)

Light

This light is green if LKA is available
to assist.
LKA may assist by gently turning
the steering wheel if the vehicle
approaches a detected lane marking
without using the turn signal in that
direction. The LKA light will turn
amber.
This light is amber and flashes as a
Lane Departure Warning (LDW)
alert, to indicate that the lane
marking has been crossed.
See Lane Keep Assist (LKA) 0 261.
Instruments and Controls

Vehicle Ahead Indicator

If equipped, this indicator will
display green when a vehicle is
detected ahead and amber when
you are following a vehicle ahead
much too closely.
See Forward Collision Alert (FCA)
System 0 255.

Traction Off Light

This light comes on briefly while
starting the engine. If it does not,
have the vehicle serviced by your
147