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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 ...

Exterior
Styling of the DTS is "more architectural and linear," said Gary Cowger, former president of General Motors North America, during its initial appearance. The new model's styling evokes C ...

Speaker Covers
Vacuum around a speaker cover gently, so that the speaker will not be damaged. Clean spots with just water and mild soap. ...