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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    Security Light
    The security light should come on briefly as the engine is started. If the system is working normally, the indicator light turns off. If it does not come on, have the vehicle serviced by your de ...

    Selecting an XM Channel
    XM channels can be selected by using SEEK, SEEK, the TUNE knob, or the menu system. Selecting a Channel Using SEEK or SEEK (Radio with CD) - Press and release SEEK or SEEK to go to the previou ...

    Bulb Replacement
    For the proper type of replacement bulbs, see Replacement Bulbs  . For any bulb-changing procedure not listed in this section, contact your dealer. ...