Trip/Fuel Menu Items
Press MENU on the turn signal
lever until Trip/Fuel Information
Menu is displayed. Use 
to
scroll through the following menu
items:
• Digital Speedometer
• Trip 1
• Trip 2
• Power Flow Gauge (eAssist Only)
• Fuel Range
• Average Fuel Economy/Instantaneous Fuel Economy
• Average Vehicle Speed
• Timer
• Navigation
See also:
Navigation
This display is used for the OnStar
or Navigation System Turn-by-Turn
guidance. See OnStar Overview or the navigation manual,
if the vehicle has navigation, for
more information. ...
Radio Messages
CAL ERR (Calibration Error): The audio system
has been calibrated for your vehicle from the
factory. If CAL ERR displays it means that
the radio has not been configured properly for
your vehicle a ...
Rear Axle
When to Check Lubricant
It is not necessary to regularly check rear axle
fluid unless you suspect there is a leak or you hear
an unusual noise. A fluid loss could indicate a
problem. Have it inspe ...