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:
StabiliTrak® System
The vehicle has the StabiliTrak system which combines antilock brake, traction, and stability control systems and helps the driver maintain directional control of the vehicle in most driving condition ...
Removing the Third Row Seats
To remove a third row seat:
1. Remove the cargo management system, if available and installed. See Cargo Management System on page 4‑4.
2. Remove anything on or under the seat.
Notice: Foldin ...
Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade.
If the transmission is not shifted down, the brakes might have to be used so much
that they would get hot and ...





