Vehicle Checks
See also:
Floor Mats
WARNING
If a floor mat is the wrong size or is not properly installed, it can interfere with the accelerator pedal and/or brake pedal.
Interference with the pedals can cause unintended accelerati ...
Gasoline Octane
Use regular unleaded gasoline with a posted
octane rating of 87 or higher. If the octane rating
is less than 87, you may notice an audible
knocking noise when you drive, commonly referred
to as sp ...
OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be
used to interact with OnStar hands-free calling. See
Audio Steering Wheel Controls for more
information.
On some vehicles, the mute button c ...
