Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example:
See also:
Vehicle Data Recording and
Privacy
Your GM vehicle has a number of sophisticated
computers that record information about the vehicle’s
performance and how it is driven. For example, your
vehicle uses computer modules to monitor ...
ENGINE OIL LOW — ADD OIL
This message displays when the
engine oil level is too low. Check the
oil level. See Engine Oil. ...
When the Light Flashes First and Then Is On Steady
If the light flashes for about a minute and then stays on, there may be a problem
with the TPMS. If the problem is not corrected, the light will come on at every
ignition cycle. See Tire Pressure ...