Owner-level understanding, not in-depth mechanical repair diagnostics
📊 Manual Specifications
File Format
File Type:
PDF
Searchability:
Likely text-searchable if OCR was performed on the original document
Print Quality
Print Readability:
High, suitable for printing on standard office printers
Binding Type
Binding Of Original:
Perfect bound or stapled softcover (physical original)
Paper Type
Paper Type Of Original:
Standard paper stock (physical original)
⚙️ Engine Specifications
Primary Engine
Engine Type:
4.6L V8 Northstar Engine
Engine Code:
L37 (Performance variant) or LY7 (Standard variant of this era, but DTS typically Northstar)
Displacement:
4565 cc (278.6 cubic inches)
Performance
Horsepower:
Approximately 275-292 hp (depending on specific tuning for the DTS model)
Torque:
Approximately 295-305 lb-ft (depending on specific tuning)
Fuel System
Fuel Delivery:
Sequential Port Fuel Injection (SFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Engine Management
ECM Type:
GM Powertrain Control Module (PCM)
🔧 Transmission
Standard
Type:
4-Speed Automatic Transaxle
Transmission Control:
Electronic with Overdrive (4T80-E or similar)
Optional
Availability:
Not typically offered with optional transmissions for this model year
Features
Driver Selectable Modes:
Driver Shift Control (Manual mode for gear selection)
📐 Dimensions
Exterior
Length:
Approximately 207.0 inches
Width:
Approximately 74.5 inches
Height:
Approximately 57.7 inches
Wheelbase:
Approximately 115.3 inches
Front Track:
Approximately 62.2 inches
Rear Track:
Approximately 61.4 inches
Interior
Front Headroom:
Approximately 39.4 inches
Rear Headroom:
Approximately 37.7 inches
Front Legroom:
Approximately 42.0 inches
Rear Legroom:
Approximately 38.9 inches
Cargo
Trunk Volume:
Approximately 17.7 cubic feet
Weights
Curb Weight:
Approximately 3,800 - 4,000 lbs
Gross Vehicle Weight Rating Gvw:
Approximately 5,000 - 5,200 lbs
Towing Capacity:
Typically limited to trailer brake control systems, not substantial towing without specific packages or modifications
🛡️ Safety Features
Ratings
NHTSA Frontal Impact Driver:
5 Stars
NHTSA Frontal Impact Passenger:
5 Stars
NHTSA Side Impact Front Seat:
5 Stars
NHTSA Side Impact Rear Seat:
4 Stars
IIHS Front Offset Crash Test:
Good
IIHS Side Impact Crash Test:
Good
Active Features
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Standard Traction Control System (TCS)
Stability Control:
Available StabiliTrak (Electronic Stability Control)
Passive Features
Airbags:
Driver, front passenger, front side-impact, and available rear side-impact airbags
Seat Belts:
3-point active seat belts with pretensioners and load limiters
Child Restraints:
LATCH (Lower Anchors and Tethers for CHildren) system
💡 Technology Features
Infotainment
Audio System:
Bose® premium audio system with CD player, AM/FM radio, and possibly MP3 capability.
Navigation:
Optional factory navigation system with touch-screen interface.
Climate Control:
Dual-zone automatic climate control
Driver Assistance
Parking Assist:
Optional Rear Parking Assist (Ultrasonic sensors)
Lighting:
Standard Halogen projector headlights, available Adaptive Forward Lighting (AFL) system.
Connectivity
Onstar:
Standard OnStar® system with telematics services (subscription required for full functionality).
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 7,500 miles or 12 months (or as indicated by oil life monitor)
Tire Rotation Interval:
Every 7,500 miles
Coolant Flush Interval:
Initial: 150,000 miles or 5 years; Subsequent: 75,000 miles or 5 years
Transmission Fluid Change Interval:
Under normal driving, no scheduled replacement unless specified by inspection or fluid condition. Consult manual for severe service.
Fluid Specifications
Engine Oil Type:
SAE 5W-30 (API SM or higher)
Engine Oil Capacity:
Approximately 4.5 quarts (with filter)
Coolant Type:
Dex-Cool® (Orange colored, 50/50 mix of coolant and distilled water)
Transmission Fluid Type:
Dexron® VI Automatic Transmission Fluid (ATF)
Brake Fluid Type:
DOT 3 or DOT 4 Synthetic Brake Fluid
Known Issues
Common Complaints 2006:
Potential for coolant leaks (intake manifold, head gaskets), fuel level sensor issues, power steering pump noise, occasional catalytic converter issues.
Northstar Engine Specifics:
Requires diligent maintenance, especially concerning coolant levels and oil changes, to mitigate risks associated with head gasket failures.
📚 Vehicle History
Brand Heritage
Cadillac Legacy:
Long-standing American luxury marque known for comfort, innovation, and prestige.
Model Evolution
Dts Lineage:
Successor to the Cadillac Sedan de Ville, marking a shift to a more modern design language while retaining luxury focus.
Platform:
G-body platform (GM K-body platform, specifically a shortened variant of the front-wheel-drive DeVille/Seville platform)
Production
Production Start Year:
2006
Production End Year:
2011
Manufacturing Location:
Hamtramck, Michigan, USA
🏆 Awards & Recognition
Recognitions
Jd Power Ratings 2006:
Cadillac generally received good ratings in JD Power's Initial Quality Study and Dependability Study for this period, reflecting a focus on luxury and features.