Under the Hood

Cadillac's 4.6-liter Northstar V-8 comes in a choice of two configurations in the DTS. The L37 edition produces an estimated 291 horsepower at 5,600 rpm, while the LD8 is rated at 275 hp at 5,200 rpm. The L37 is designed to rev higher, while the LD8 emphasizes quick launches and has greater peak torque. Both engines work with a four-speed-automatic transmission.

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    Engine Power Messages
    ENGINE POWER IS REDUCED This message displays when the vehicle's engine power is reduced. Reduced engine power can affect the vehicle's ability to accelerate. If this message is on, but there ...

    Blizzard Conditions
    Being stuck in snow can be a serious situation. Stay with the vehicle unless there is help nearby. If possible, use the Roadside Service (U.S. and Canada) or Roadside Service (Mexico). To ge ...

    Starting the Engine
    When first starting the vehicle, the engine idle speed will be elevated to allow the catalytic converter, an emissions control device, to quickly reach operating temperature. After approximat ...