General Information

For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.

Genuine GM parts have one of these marks:

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See also:

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 ...

Charging System Light
The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is starte ...

Satellite Radio
Vehicles with an XM™ Satellite Radio tuner and a valid XM Satellite Radio subscription can receive XM programming. ...