
In Brief. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Instrument Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Initial Drive Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Vehicle Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
Performance and Maintenance. . . . . . . . . . . . . . . . . . . 1-21
Seats and Restraint System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Head Restraints. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Front Seats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Rear Seats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Safety Belts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Child Restraints. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33
Airbag System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-58
Restraint System Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-74
Features and Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Doors and Locks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Windows. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Theft-Deterrent Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Starting and Operating Your Vehicle. . . . . . . . . . . 3-22
Mirrors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36
Object Detection Systems. . . . . . . . . . . . . . . . . . . . . . . . . . 3-40
Universal Home Remote System. . . . . . . . . . . . . . . . 3-48
Storage Areas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-55
Sunroof. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57
Instrument Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Instrument Panel Overview. . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Climate Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36
Warning Lights, Gages, and Indicators. . . . . . . . 4-46
Driver Information Center (DIC). . . . . . . . . . . . . . . . . . 4-61
Audio System(s). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-88
Driving Your Vehicle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Your Driving, the Road, and the Vehicle. . . . . . . 5-2
Towing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24
Service and Appearance Care. . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Fuel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Checking Things Under the Hood. . . . . . . . . . . . . . . 6-10
Headlamp Aiming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-40
2010 Cadillac DTS Owner ManualM

Instrument Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2
Initial Drive Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . .1-4Remote Vehicle Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5Trunk Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-7Heated and Ventilated Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8Head Restraint Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8Safety Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-9Sensing System for Passenger Airbag . . . . . . . . . . . . . . .1-9Mirror Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-10Steering Wheel Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-11Interior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-12Exterior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-12Windshield Wiper/Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-13Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-14
Vehicle Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-15Radio(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-15Satellite Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-17Portable Audio Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-17Steering Wheel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-17Bluetooth®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-18Navigation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-18Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . . . . . .1-18Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-20Power Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-20
Performance and Maintenance. . . . . . . . . . . . . . . . . . . . . . . . .1-21Traction Control System (TCS) . . . . . . . . . . . . . . . . . . . . . . .1-21StabiliTrak®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-21Tire Pressure Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-21Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . . . . . .1-22Engine Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-22Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . . .1-22Roadside Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-23OnStar®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-23
Section 1 In Brief
1-1

Seat Adjustment
Power Seats
The power seat controlsare on the outboard side ofthe seat.
Move the seat forward or rearward by moving thecontrol forward or rearward.
Raise or lower the front or rear part of the seat cushionby moving the front or rear of the control up or down.
SeePower Seats on page 2-3.
Power Reclining Seatbacks
The control is located on the outboard side of the seat.
To raise or recline the seatback, tilt the top of thecontrol forward or rearward.
SeePower Reclining Seatbacks on page 2-8.
1-7

Power Lumbar Adjustment
The control is located on the outboard side of the seat.
Press the front or rear of the control to increase ordecrease lumbar support.
SeePower Lumbar on page 2-4.
Heated and Ventilated Seats
On vehicles with heated and ventilated seats, thecontrols are located on the front doors and the ignitionmust be on to use the feature.
z:Press to heat the seat and seatback.
+:Press to heat the seatback.
H:Press to cool the seat and seatback.
For more information seeHeated and Ventilated Seatson page 2-5.
Head Restraint Adjustment
The vehicle’s front seats have adjustable head restraintsin the outboard seating positions.
Do not drive until the head restraints for all occupantsare installed and adjusted properly.
For more information seeHead Restraints on page 2-2.
1-8

Head Restraints. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
Front Seats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3Power Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3Power Lumbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4Massaging Lumbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4Heated and Ventilated Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5Memory Seat, Mirrors and Steering Wheel . . . . . . . . .2-6Power Reclining Seatbacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8Center Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-9
Rear Seats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-10Heated Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-10Rear Seat Pass-Through Door . . . . . . . . . . . . . . . . . . . . . . . .2-11Power Lumbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-11
Safety Belts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-12Safety Belts: They Are for Everyone . . . . . . . . . . . . . . . .2-12How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . .2-17Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-26Safety Belt Use During Pregnancy . . . . . . . . . . . . . . . . . .2-31Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-32Safety Belt Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-33
Child Restraints. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-33Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-33Infants and Young Children . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-37
Child Restraint Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-41Where to Put the Restraint . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-44Lower Anchors and Tethersfor Children (LATCH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-45Securing a Child Restraintin a Rear Seat Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-51Securing a Child Restraintin the Center Front Seat Position . . . . . . . . . . . . . . . . .2-53Securing a Child Restraintin the Right Front Seat Position . . . . . . . . . . . . . . . . . . .2-54
Airbag System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-58Where Are the Airbags? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-60When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . .2-63What Makes an Airbag Inflate?. . . . . . . . . . . . . . . . . . . . . . .2-65How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . . .2-65What Will You See After an Airbag Inflates? . . . . .2-66Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-67Servicing Your Airbag-Equipped Vehicle . . . . . . . . . . .2-72Adding Equipment to YourAirbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-73
Restraint System Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-74Checking the Restraint Systems . . . . . . . . . . . . . . . . . . . . . .2-74Replacing Restraint System PartsAfter a Crash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-75
Section 2 Seats and Restraint System
2-1

Head Restraints
The vehicle’s front seats have adjustable head restraintsin the outboard seating positions.
{WARNING:
With head restraints that are not installed and
adjusted properly, there is a greater chance that
occupants will suffer a neck/spinal injury in a
crash. Do not drive until the head restraints for all
occupants are installed and adjusted properly.
Adjust the head restraint so that the top of the restraintis at the same height as the top of the occupant’shead. This position reduces the chance of a neck injuryin a crash.
2-2

Pull the head restraint up to raise it. To lower the headrestraint, press the button, located on the top of theseatback, and push the restraint down.
Push down on the head restraint after the button isreleased to make sure that it is locked in place.
The head restraints are not designed to be removed.
Front Seats
Power Seats
The power seat controlsare located on theoutboard side of the seats.
•Move the seat forward or rearward by sliding the
control forward or rearward.
•Raise or lower the front part of the seat cushion by
moving the front of the control up or down.
•Raise or lower the rear part of the seat cushion by
moving the rear of the control up or down.
The front seats also have power reclining seatbacks.SeePower Reclining Seatbacks on page 2-8.
On vehicles with the memory feature, memory settingscan be programmed and recalled for seat positions. SeeMemory Seat, Mirrors and Steering Wheel on page 2-6.
2-3

Power Lumbar
The power lumbar controlsare located on the outboardside of the front seats.
Press the front or rear of the lumbar control to increaseor decrease support. Press the top or bottom of thecontrol to raise or lower the support mechanism.
Massaging Lumbar
On vehicles with thisfeature, the switch islocated on the outboardside of the front seatsbehind the lumbar switch.
Press the switch to turn the massaging lumbar featureon. The ignition must be on for this feature to work. Themassage cycle will run for up to 10 minutes. To stopmassage, press the massaging lumbar switch again orpress the power lumbar switch.
2-4