New for 2011
The Sierra Hybrid gets GM's OnStar 9.0 telematics system that GM says provides better voice recognition. GM also said they have worked to cut down on the amount of wind noise occupants hear.
See also:
Power Foldaway
1. Press (A) to fold the mirrors out to the driving position.
2. Press (B) to fold the mirrors in to the folded position. ...
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.
When t ...
Washer Fluid Messages
WASHER FLUID LOW ADD FLUID
This message displays when the windshield washer fluid is low. Fill the windshield washer fluid reservoir as soon as possible. See Engine Compartment Overview on page 10 ...