The sunroof has an automatic reversal system that is only active when the sunroof
is operated in express-close mode.
If an object is in the path while express-closing, the reversal system will detect
an object, stop, and open the sunroof slightly...
Other information:
The DIC displays are shown in the center of the instrument cluster. The displays
show the status of many vehicle systems. The trip odometer reset stem in the instrument
cluster is used to access the DIC menu items.
If the vehicle has a diesel engine, see the Duramax diesel supplement for more
information...
If equipped, the doors will lock automatically when all doors are closed, the
ignition is on, and the shift lever is moved out of P (Park).
If a vehicle door is unlocked and then opened and closed, the doors will lock
either when your foot is removed from the brake or the vehicle speed becomes faster
than 13 km/h (8 mph)...