OnStar Services
See also:
When to Change Engine Oil
This vehicle has a computer system
that indicates when to change the
engine oil and filter. This is based
on a combination of factors which
include engine revolutions, engine
temperature, an ...
Trip/Fuel Information Menu Items
Press the MENU button on the turn signal lever until Trip/Fuel Information
Menu is displayed.
Use the thumbwheel to scroll through the following possible menu items:
- Trip
- Average Fuel Econ ...
Adaptive cruise control
The XLR will be among the first vehicles with adaptive cruise control (ACC).
While not a substitute for full driver attention, this system greatly expands
the convenience of cruise control. ACC us ...






