When to Check Power Steering Fluid
It is not necessary to regularly check power steering fluid unless a leak is suspected in the system or an unusual noise is heard. A fluid loss in this system could indicate a problem. Have the system inspected and repaired.
See also:
Additional Required Services 
At Each Fuel Stop
   • Engine oil level check. See Engine Oil.
• Engine coolant level check. See Engine Coolant 
(4.6L Engine) or Engine Coolant 
(3.9L Engine).
• Windshield washer fluid level check. See Windshi ...
   
Receiving a Call
   When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle.
► Press
. 
► Press 
to ignore a call. ...
   
Security
   OnStar provides services like Stolen 
Vehicle Assistance, Remote Ignition 
Block, and Roadside Assistance, 
if the vehicle is equipped with these 
services. OnStar can unlock the 
vehicle doors r ...
   
 
					 
			