GMC 2004 Sierra - Manual (Page 217)

Cruise Control Light
The cruise light comes on
whenever you set your
cruise control. See “Cruise
Control” under
Turn
Signal/Multifunction Lever
on page 3-7.
Four-Wheel-Drive Light
The four-wheel drive
indicator will light up when
you shift a manual
transfer case into
four-wheel drive and the
front axle engages.
Some delay between shifting and the indicator’s lighting
is normal.
See Four-Wheel Drive on page 2-35 for more
information.
Tow/Haul Mode Light
This light is displayed
when the Tow/Haul mode
has been activated.
For more information, see Towing a Trailer on
page 4-70.
Overdrive Disable
This light will illuminate
when the overdrive disable
feature is activated. The
overdrive disable
feature will prevent your
vehicle from shifting
into fifth (5) gear.
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