Windows

WARNING!
Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous.
They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather.

The vehicle aerodynamics are

The vehicle aerodynamics are designed to improve fuel economy performance. This may result in a pulsing sound when a window is partially open. To reduce the sound, open another window or the sunroof (if equipped).

See also:

2011 Cadillac Escalade Review
It's easy to consider the Cadillac Escalade a superstar because of its flash and reputation, but after my experience in the 2011 Cadillac Escalade ESV, I'm convinced it's more like a diva. This SU ...

Manual Transmission
Skip Shift (CTS–V) Under light acceleration, the transmission will only allow shifting from 1 (First) to 4 (Fourth). This helps improve fuel mileage. Under harder acceleration, Skip Shift is ...

When the System Does Not Seem to Work Properly
The rear vision camera system might not work properly or display a clear image if the following occurs: - It is dark. - The sun or the beam of headlamps is shining directly into the camera l ...