See also:

Conventional (fixed speed) cruise control mode
This mode allows driving at a speed between 25 to 90 MPH (40 to 144 km/h) without keeping your foot on the accelerator pedal. WARNING ● In the conventional (fixed speed) cruise control mode, ...

Cleaning interior
Occasionally remove loose dust from the interior trim, plastic parts and seats using a vacuum cleaner or soft bristled brush. Wipe the vinyl and leather surfaces with a clean, soft cloth dampe ...

Safety
As of this writing, the 2011 QX56 hasn't been crash-tested. Standard safety features include front and side-impact airbags, side-curtain airbags for all three rows, an electronic stability system ...