Sun Visors; Illuminated Visor Vanity Mirrors - Hummer H2 2004 Owner's Manual

Lockout Switch
Press the lockout switch to prevent passengers from
operating the power windows from their switches. A light
in the lockout switch will come on to show that the
switch has been activated. Press the lockout switch
again to return to normal operation.
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Sun Visors

To block out glare, you can swing down the visors. You
can also swing them out to help block glare at the
front and side windows.

Illuminated Visor Vanity Mirrors

Pull the sunvisor down and lift the mirror cover to turn
on the lamps.