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Programming without a Recognized Transmitter (Keyless Access Vehicles Only)
If there are no currently recognized transmitters available, follow this procedure to program up to eight transmitters. This feature is not available in Canada. This procedure will take approximatel ...

Engine & Transmission
The CTS comes standard with a 3.0-liter V-6 engine, but our test car's optional 3.6-liter V-6 and six-speed automatic transmission are a special pair among drivetrains. The transmission's shifts a ...

XLR-V
A performance-packed V edition of the XLR, fitted with a supercharged 4.4-liter V-8 that develops 443 hp at 6,400 rpm and 414 pounds-feet of torque at 3,600 rpm, goes on sale for 2006. A new six-s ...