Highbeam On Light; Four-Wheel-Drive Light; Tow/Haul Mode Light; Overdrive Disable - GMC Sierra 2005 Owner's Manual

Highbeam On Light

See Headlamp High/Low-Beam Changer on page 3-8.

Four-Wheel-Drive Light

Some delay between shifting and the indicator's lighting
is normal.
See Four-Wheel Drive on page 2-36 for more
information.
This light will come on
when the high-beam
headlamps are in use.
The four-wheel-drive
indicator will light up when
you shift a manual
transfer case into
four-wheel drive and the
front axle engages.

Tow/Haul Mode Light

For more information, see Tow/Haul Mode on page 2-30.
Overdrive Disable (Allison
®
Transmission

Only)

This light is displayed
when the Tow/Haul mode
has been activated.
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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