Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information.
See also:
Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and
viscosity grade. See Recommended Fluids and Lubricants .
Specification
Use and ask for licensed engine oils wi ...
Powertrain
The XLR's Northstar V-8 VVT is a 90-degree, DOHC, four-valves-per-cylinder
engine featuring an aluminum block and cylinder heads, and a valvetrain
configuration with roller finger followers. The e ...
Cruise Control Light
The cruise control light comes on whenever the cruise control is set.
The light goes out when the cruise control is turned off. See Cruise Control for more information. ...