See also:

How to Check Power Steering Fluid
Notice: Extremely small amounts of contamination can cause steering system damage and cause it to not work properly. Do not allow contaminants to contact the fluid side of the reservoir cap/dipstick ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Comprehensive safety system
The GMC Acadia has a comprehensive safety system that is designed to protect passengers before, during and after a crash. Its strong structure and four-wheel independent suspension system enhance ...