Powertrain
The DTS is equipped with the technologically advanced Northstar 4.6L V-8 engine and mated to the Hydra-Matic 4T80-E four-speed automatic transmission - a proven combination that assures powerful, sophisticated performance.
The Northstar 4.6L V-8 engine is available in two configurations: the 291-horsepower L37 and the 275-horsepower LD8 (horsepower and torque figures are preliminary, pending certification*). The L37 version is a responsive, higher revving powerplant with more peak horsepower. The LD8 puts more emphasis on quick launch and part-throttle response with greater peak torque.
See also:
OnStar Additional Information
Transferring Service
Push to request account transfer eligibility information. The Advisor can
assist in canceling or removing account information. If OnStar receives
information that vehicle own ...
Tire Rotation and Required Services Every 12 000 km/ 7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services.
See Tire Rotation .
Check engine oil level and oil life percentage. If needed, change engine
oil an ...
Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer
or an underbody car washing system can do this. If not removed, rust and corrosion
can develop. ...






