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STS adds direct-injection V-6
For 2008, STS will be the first GM vehicle equipped with a new 3.6-liter direct-injected V-6 engine. The new base powerplant, with 298 horsepower (222 kW), delivers 40 more horsepower; and torque ...

Safety Belt Messages
BUCKLE SEATBELT This message displays as a reminder when the safety belt is not buckled. ...

LED Lighting
The vehicle may have LED headlamps. For replacement of the LED lighting assembly contact your dealer. ...