When to Inspect the Engine Air Cleaner/Filter
Inspect or replace the air cleaner/ filter at the scheduled maintenance intervals. See Maintenance Schedule on page 11‑3 for more information. If driving in dusty/dirty conditions, inspect the filter at each engine oil change.
See also:
Battery
Refer to the replacement number on the original battery label when a new battery
is needed.
WARNING
Battery posts, terminals, and related accessories contain lead and lead compounds,
chemicals k ...
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays and a chime may sound when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See Engine Overh ...
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. ...





