Front Reading Lamps; Cargo Lamp; Battery Run-Down Protection; Accessory Power Outlets - GMC 2005 Sierra Denali Owner's Manual

Front Reading Lamps

Your vehicle has front reading lamps located in the
overhead console. Press the round button located next
to the lamp to turn the lamp on. The lamps can be
adjusted to point in the direction you want them to go.
Press the button again to turn the lamp off.
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Cargo Lamp

An indicator light on the instrument panel cluster will
illuminate when the cargo lamp is turned on, and
the ignition key is turned to RUN.

Battery Run-Down Protection

This feature shuts off the dome and reading lamps, if they
are left on for more than 10 minutes when the ignition is
turned off. The cargo lamp will shut off after 20 minutes.
This will keep your battery from running down.

Accessory Power Outlets

With accessory power outlets you can plug in auxiliary
electrical equipment such as a cellular telephone or other
devices designed to operate with vehicle electrical
systems.
The cargo lamp button is
located on the left side of
the instrument panel.
Press the button to turn
the cargo lamp on.
Press the button again to
turn it off.