Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.
See also:
Setting Preset PTYs (RDS Only)
These pushbuttons have factory PTY presets.
Up to 12 PTYs (six FM1 and six FM2), can
be programmed on the six numbered pushbuttons,
by performing the following steps:
1. Press BAND to select F ...
Low-Profile Tires
If the vehicle has P235/45R18 size tires, they are classified as low-profile
tires.
Notice: Low-profile tires are more susceptible to damage from road hazards or
curb impact than standard profile ...
When to Add Engine Oil
When to Add Engine Oil
If the oil is below the cross-hatched
area at the tip of the dipstick, add
1 L (1 qt) of the recommended oil
and then recheck the level. See
“Selecting the Right En ...