Safety Belt Reminders - GMC 2011 Yukon/Yukon XL Owner's Manual

5-18 Instruments and Controls
Readings between the low and high
warning zones indicate the normal
operating range. The gauge may
also read low during the fuel
economy mode, this is normal.
Readings in the low warning zone
may occur when a large number of
electrical accessories are operating
in the vehicle and the engine is left
at an idle for an extended period.
This condition is normal since the
charging system is not able to
provide full power at engine idle.
As engine speeds are increased,
this condition should correct itself
as higher engine speeds allow the
charging system to create full
power. If there is a problem with the
battery charging system, this light
will come on or the SERVICE
BATTERY CHARGING SYSTEM
DIC message will display. See
Battery Voltage and Charging
Messages on page 5 39 and
Charging System Light on
page 5 21 for more information.

Safety Belt Reminders

Driver Safety Belt Reminder
Light
When the engine is started, a chime
sounds for several seconds to
remind a driver to fasten the safety
belt, unless the driver safety belt is
already buckled.
The safety belt light comes on and
stays on for several seconds, then
flashes for several more.
This chime and light are repeated if
the driver remains unbuckled and
the vehicle is in motion. If the driver
safety belt is already buckled,
neither the chime nor the light
comes on.
Passenger Safety Belt
Reminder Light
For vehicles equipped with the
passenger safety belt reminder light,
several seconds after the engine
is started, a chime sounds for
several seconds to remind the front
passenger to buckle their safety
belt. The passenger safety belt light,
located on the instrument panel,
comes on and stays on for several
seconds and then flashes for
several more.
This chime and light are repeated if
the passenger remains unbuckled
and the vehicle is in motion.