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 is increased to 268 lb.-ft. (371 Nm) - up from 252 lb.-ft. (348 Nm) on the current base engine.
The new direct-injected 3.6L will be mated to the Hydra-Matic 6L50 six-speed automatic transmission, the first pairing of this transmission with a V-6 engine. Additionally, the STS V-6 will continue to be available with all-wheel drive (AWD) for 2008.
Advantages of the new direct-injected engine include a 25-percent reduction in cold-start hydrocarbon emissions. Additionally, despite the 15-percent increase in power, fuel economy is expected to increase slightly.
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Manual Mode
Driver Shift Control (DSC) or
Tap Shift
Notice: Driving with the engine
at a high rpm without upshifting
while using Driver Shift Control
(DSC), could damage the vehicle.
Always upshift when ...
Testing the Alarm
To test the alarm:
1. From inside the vehicle, lower the driver window and open the driver door.
2. Activate the system by locking the doors with the power door lock switch while
the door is open, ...
Jump Starting
For more information about the vehicle battery, see Battery.
If the vehicle battery has run down, you may want to use another vehicle and
some jumper cables to start your vehicle. Be sure to use t ...