Positioning:
Premium Luxury Sedan, Competes with BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Lexus GS
Manual Advantage:
Officially Licensed OE Data, Digital Convenience, Comprehensive Coverage, Cost-Effective Alternative to Printed Manuals
Digital Access:
Instant Access, Multi-Device Compatibility, Constantly Updated Content (within subscription period)
User Experience:
Intuitive Interface, Easy Navigation, Bookmark Functionality
Powertrain:
Engine Mechanical, Engine Control System (ECM), Fuel System, Exhaust System, Transmission (Automatic), Drivetrain (Rear-Wheel Drive, All-Wheel Drive)
Chassis:
Suspension System (Front & Rear), Steering System, Brake System (Hydraulic, ABS, Traction Control), Wheel & Tire Assemblies
Electrical:
Body Control Module (BCM), Powertrain Control Module (PCM), Instrument Cluster, Lighting (Interior & Exterior), Audio System, Climate Control System, Power Accessories (Windows, Locks, Seats), Security System, Wiring Diagrams, Diagnostic Trouble Codes (DTCs)
Maintenance:
Routine Scheduled Maintenance, Fluid Checks and Replacements, Filter Replacements, Belt Inspections and Replacements, Spark Plug Replacement, Brake Pad and Rotor Replacement, Tire Rotation and Balancing
Repair:
Engine Component Overhaul, Transmission Overhaul, Suspension Component Replacement, Brake System Repairs, Steering Component Repairs, Electrical Component Diagnosis and Replacement, HVAC System Repairs, Body Panel Repair and Replacement
Diagnostics:
Troubleshooting Guides, Diagnostic Trouble Code (DTC) Interpretation, Component Testing Procedures, Electrical System Diagnosis, Symptom-Based Troubleshooting
Depth:
Comprehensive Factory-Derived Information, Detailed Step-by-Step Repair Procedures, Torque Specifications, Schematics, Component Locations, Diagnostic Flowcharts, Technical Service Bulletins (TSBs) Integration (where applicable)
Format:
Web-Based Software (Accessible via Browser)
Quality:
High-Resolution Digital Images, Diagrams, and Text
Feature:
Full Text Search Functionality
Devices:
PC, Laptop, Smartphone, Tablet (Requires Internet Connection and Web Browser)
Engine Type:
3.6L V6 DI (Direct Injection)
Displacement:
3564 cc (217 cubic inches)
Bore X Stroke:
94.0 mm x 85.6 mm (3.70 in x 3.37 in)
Compression Ratio:
10.5:1
Horsepower:
255 hp @ 6200 rpm
Torque:
250 lb-ft @ 3200 rpm
Fuel Delivery:
Sequential Port Fuel Injection (SFI) with Direct Injection (DI)
Fuel Type:
Premium Unleaded Gasoline (91 Octane or Higher Recommended)
ECU Type:
Bosch Motronic ME9.0
Optional Engine:
4.6L Northstar V8 VVT (VIN Y)
Horsepower:
320 hp @ 6400 rpm
Torque:
310 lb-ft @ 4400 rpm
Type:
6-Speed Automatic Hydra-Matic 6L80
Drive Configuration:
Rear-Wheel Drive (RWD)
Type:
6-Speed Automatic Hydra-Matic 6L80
Drive Configuration:
All-Wheel Drive (AWD) - Active on Demand
Features:
Driver Shift Control (Manual Mode), Performance Algorithm Shifting (PAS), Tow/Haul Mode
Fluid Type:
Dexron VI Automatic Transmission Fluid (ATF)
Capacity:
Approx. 10.5 quarts (9.9 liters) for 6L80
NHTSA Front Impact:
5-Star Driver, 5-Star Passenger (2006 Model)
IIHS Side Impact:
Good (2006 Model)
IIHS Rear Impact:
Acceptable (2006 Model)
Traction Control:
Standard StabiliTrak Stability Control System with Traction Control
ABS:
Standard 4-Wheel Anti-lock Braking System (ABS) with Electronic Brake Force Distribution (EBD)
Brakes:
Front Ventilated Discs, Rear Solid Discs (Size varies by engine)
Airbags:
Driver and Front Passenger Frontal Airbags, Front Seat-Mounted Side-Impact Airbags, Roof-Mounted Side-Curtain Airbags (Front and Rear)
Seatbelts:
3-Point Seat Belts with Pretensioners and Load Limiters
Infotainment System:
Optional Bose Premium Audio System, Touchscreen Navigation System, Voice Recognition (OnStar integration)
Driver Assistance Features:
StabiliTrak Stability Control, Traction Control, Available Adaptive Cruise Control, Available Head-Up Display (HUD)
Connectivity Features:
OnStar System with Turn-by-Turn Navigation and Emergency Services (Subscription required)
Comfort Features:
Heated and Ventilated Front Seats, Heated Rear Seats, Dual-Zone Automatic Climate Control, Keyless Ignition
Oil Change:
Every 7,500 miles or 12 months, whichever comes first (synthetic oil recommended)
Tire Rotation:
Every 7,500 miles
Cabin Air Filter:
Every 15,000 miles or 12 months
Spark Plugs:
See manual for specific intervals based on engine type (e.g., 100,000 miles for certain iridium plugs)
Engine Oil:
SAE 5W-30 Synthetic (API SN or higher, GM dexos1 Gen 2 compliant for later models, consult manual for precise 2006 spec)
Coolant:
GM-specific Orange Long-Life Coolant (50/50 mix with distilled water)
Brake Fluid:
DOT 3 or DOT 4
Common Problems:
Various models may experience issues with power steering pump leaks, active suspension component failures (Magnetic Ride Control), ignition coil failures, and potential water intrusion in the trunk area. The direct injection system on the 3.6L V6 can sometimes lead to carbon buildup on intake valves. Refer to the manual for detailed diagnosis and repair procedures.
Heritage:
Cadillac, America's Luxury Car Brand since 1902, known for innovation and refinement.
Evolution 2006:
The 2006 model year marked the introduction of the second-generation STS, a significant redesign based on the rear-wheel-drive Sigma platform. It aimed to bring Cadillac back to competitive standing in the global luxury sedan market.
Manufacturing Location:
Lansing Grand River Assembly Plant, Lansing, Michigan, USA