OnStar Services
See also:
Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl ...
Lane Departure Warning (LDW) Light
For vehicles with the lane departure warning system, this light is located on
the center of the instrument panel. This light briefly comes on green while starting
the vehicle.
If it does not, h ...
Turn and Lane-Change Signals
An arrow on the instrument panel cluster will flash in the direction of the turn
or lane change.
Move the lever all the way up or down to signal a turn.
Raise or lower the lever until the arrow ...





