Rear Window Lockout
The rear window lockout feature prevents the rear passenger windows from operating, except from the driver position.
Press 
to activate the rear window lockout switch. The LED light comes on when activated.
Press again to deactivate the lockout switch.
See also:
Interior
The Sierra showcases two different interior designs. Work Truck and SLE
models are more utility-minded, with large controls and door handles that can be
operated while wearing gloves. The SLT offe ...
Exterior
Painted black and trimmed in chrome, my Yukon Denali test vehicle looked more
like its Escalade corporate cousin than a tough truck. The Yukon is probably the
safest-looking of the three siblings, ...
Door Locks
To lock or unlock a door manually:
• From the inside use the door lock knob on the window sill.
• From the outside turn the key toward the front or rear of the vehicle, or press the
or
but ...