See also:

Battery
If the battery is not fully charged during extremely cold weather conditions, the battery fluid may freeze and damage the battery. To maintain maximum efficiency, the battery should be checked ...

Tachometer
Tachometer The tachometer indicates engine speed in revolutions per minute (RPM). Do not rev the engine into the red zone 1 . CAUTION When engine speed approaches the red zone, shift to a highe ...

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 ...