OnStar

See also:

Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. ...

Cellular Phone Usage
Cellular phone usage may cause interference with the vehicle's radio. This interference may occur when making or receiving phone calls, charging the phone's battery, or simply having the phone on. Th ...

Interior
The Yukon Hybrid has room for up to eight people in three rows of seats. Leather upholstery is standard, and the front seats are fitted with seat heaters. Optional items include a sunroof and a re ...