🏷️ Basic Information Identification Make: Cadillac Model: STS Year: 2010 Codes Internal Model Code: GMT900 👋 Introduction Market Position Positioning: Premium Luxury Sedan Competitive Analysis Competitors: BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Lexus GS Key Features Vehicle Features: Comfort, performance, advanced technology, upscale interior Manual Advantage Convenience: Instant online access, no physical book required, cross-device compatibility Cost Effectiveness: More affordable than printed manuals, DIY savings potential 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics, Electrical Schematics, Component Replacement Page Count Estimated Pages: Thousands (digital format, content-rich) Manual Type Type: Software/Online Service and Repair Manual Language Language: English Format Format: Online Access (Web Browser Compatible) Access Duration: 1 Year Compatibility: PC, Laptop, Smartphone, Tablet 📖 Manual Coverage Systems Covered Powertrain: Engine (V6, V8), Transmission (Automatic), Drivetrain (RWD, AWD) Chassis: Suspension (Front/Rear), Steering, Brakes (ABS, Traction Control), Wheels and Tires Body And Interior: Body Panels, Doors, Glass, Seats, Trim, HVAC System Electrical: Wiring Diagrams, Lighting, Instrumentation, Audio System, Power Accessories, Security System Diagnostic: Diagnostic Trouble Codes (DTCs), Scan Tool Procedures, Component Testing Procedures Included Maintenance: Oil Changes, Fluid Replacements, Filter Replacements, Spark Plugs, Belts Repair: Engine Component Replacement, Transmission Service, Brake System Overhaul, Suspension Component Replacement, Steering System Repair, Electrical Component Repair Troubleshooting: System-Specific Troubleshooting Guides, Symptom-Based Diagnostics Special Tools: Identification and usage of required special tools for specific repairs Technical Depth Depth: Comprehensive, from basic maintenance to advanced diagnostics and full component overhauls Content Source: OE (Original Equipment) licensed information 📊 Manual Specifications File Format Digital Format: Web-based application Print Quality Scalability: High-resolution digital content, viewable across devices Binding Type Binding: N/A (Online Digital) Paper Type Paper Type: N/A (Online Digital) Searchability Search Functionality: Advanced search capabilities within the online platform ⚙️ Engine Specifications Primary Engine Engine Code 1: 3.6L V6 (LLT - Direct Injection) Engine Code 2: 4.6L V8 (Northstar - AJX/LC3) Performance V6 Horsepower V6: 302 hp @ 6300 rpm Torque V6: 272 lb-ft @ 5200 rpm Performance V8 Horsepower V8: 320 hp @ 6400 rpm Torque V8: 315 lb-ft @ 3900 rpm Fuel System Fuel Delivery V6: Direct Injection Fuel Delivery V8: Sequential Port Fuel Injection (PFI) Engine Notes Engine Type: V-configuration, DOHC Engine Cooling: Liquid-Cooled 🔧 Transmission Standard Transmission Type Std: 6-Speed Automatic (6L50) Optional Transmission Type Opt: N/A (Standard on all models) Features Transmission Features: Driver Shift Control (manual shifting mode), Adaptive Shift Control Fluid Specifications Transmission Fluid Type: Dexron VI (GM P/N 88864544) 📐 Dimensions Exterior Length: 199.1 in (5057 mm) Width: 72.6 in (1844 mm) Height: 57.9 in (1471 mm) Wheelbase: 115.7 in (2939 mm) Weights Curb Weight V6 Rwd: 3983 lbs (1807 kg) Curb Weight V8 AWD: 4251 lbs (1928 kg) 🛡️ Safety Features Ratings NHTSA Front Crash: 5-Star (Driver), 5-Star (Passenger) NHTSA Side Crash: 5-Star (Front), 5-Star (Rear) IIHS Top Safety Pick: Yes Active Features Active Safety Features: ABS, Traction Control, Stability Control (StabiliTrak), All-Season Traction Passive Features Passive Safety Features: Front Airbags, Side-Impact Airbags, Side Curtain Airbags, Active Head Restraints Chassis Control Adaptive Cruise Control: Available 💡 Technology Features Infotainment Infotainment System: Cadillac User Experience (CUE) - early iteration, touch-screen interface Audio System: Bose premium audio system Driver Assistance Driver Assistance Features: Available Adaptive Cruise Control, Front and Rear Parking Assist, Bi-Xenon Headlamps with Adaptive Forward Lighting Connectivity Connectivity Options: Bluetooth connectivity for phone integration 🔧 Maintenance Service Intervals General Oil Change Interval: 7,500 miles (12,000 km) or 6 months, whichever comes first (using Dexos synthetic oil) Tire Rotation Interval: 7,500 miles (12,000 km) Cabin Air Filter Replacement: Every 2 years or 24,000 miles (38,600 km) Engine Air Filter Replacement: Every 45,000 miles (72,400 km) Fluid Specifications Engine Oil Type: SAE 5W-30 Full Synthetic (Dexos) Engine Oil Capacity V6: 5.5 Quarts (5.2 Liters) with filter Engine Oil Capacity V8: 5.5 Quarts (5.2 Liters) with filter Coolant Type: GM P/N 12378515 (or equivalent orange long-life coolant) Known Issues Common Issues V6: Carbon buildup on intake valves (Direct Injection), PCV system issues Common Issues V8: Northstar engine specific issues (potential coolant leaks, head gasket issues in earlier generations, though largely addressed by 2010) Common Issues General: EGR valve issues, ABS sensor failures, Suspension component wear (bushings, ball joints) Brake Fluid Brake Fluid Type: DOT 3 or DOT 4 📚 Vehicle History Brand Heritage Cadillac Heritage: Longstanding American luxury marque known for innovation and comfort Model Evolution Sts Evolution: Evolved from the Seville platform, representing Cadillac's push into modern luxury sedans. Production Production Start Year: 2004 (as a successor to the Seville) Production End Year: 2011 Manufacturing Assembly Plant: Lansing Grand River Assembly, Lansing, Michigan, USA 🏆 Awards & Recognition Recognitions Recognition Examples: Often praised for its refined ride and handling, particularly in its class.