🏷️ Basic Information Identification Make: Cadillac Model: DTS Year: 2009 Codes Platform: GMT155 👋 Introduction Market Position Vehicle Segment: Full-size luxury sedan Competitive Analysis Competitors 2009: Lincoln Town Car, Chrysler 300C, BMW 7 Series, Mercedes-Benz S-Class, Lexus LS 460. Key Features Manual Advantage: Vehicle-specific, factory-authored content, providing exact procedures used by dealership technicians, unlike generic repair guides. Digital Format Benefits: Searchable, printable on-demand, zoomable images, eliminates physical wear and tear, portability. 📋 Manual Details Coverage Areas Vehicle Models Covered: All 2009 Cadillac DTS models Repair Scope: A-Z comprehensive repairs Page Count Estimated Page Count: Varies based on specific sections printed, but represents a complete factory manual equivalent. Manual Type Type: Factory Service and Repair Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, control systems, fuel service, emission control, intake/exhaust, cooling, lubrication, ignition, starting, charging, automatic transmission, manual transmission, transfer case, propeller shaft, drive shaft, differential, axle. Chassis: Suspension, tire and wheel, brake control, brakes, parking brake, steering column, power steering. Electrical And Body: Air conditioning, supplemental restraint system (SRS), seat belts, engine immobilizer, cruise control, wiper and washer, door locks, meters, audio/visual systems, horn, windshield/glass/mirrors, instrument panel, seats, engine hood/doors, exterior and interior trim, general electrical systems, multiplex/CAN communication. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections. Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, symptom-based diagnostics. Repair And Rebuild: Step-by-step instructions for disassembly, repair, and reassembly of all major components and systems. Wiring Schematics: Complete electrical wiring diagrams for all vehicle systems. Technical Depth Depth: Factory-level detail, equivalent to dealership technician manuals. Covers basic maintenance to advanced diagnostics and complete component overhauls. 📊 Manual Specifications File Format Compatibility: Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac compatible. Software Requirements: Adobe PDF Reader, Winzip (free to download). Print Quality Printability: All pages are fully printable. High-resolution diagrams and illustrations. Binding Type Binding: Digital (PDF format, no physical binding) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Code: LD8 (3.6L V6 VVT DI) and LY7 (3.6L V6 VVT DI) were options in earlier years, but for 2009, the primary engine was the 4.6L Northstar V8 (L37). Engine Description: 4.6L DOHC V8 Northstar with Variable Valve Timing (VVT) Performance Horsepower: Approximately 292 hp @ 6300 rpm (for L37 engine variant) Torque: Approximately 288 lb-ft @ 4500 rpm (for L37 engine variant) Fuel System Fuel Delivery: Sequential Fuel Injection (SFI) Fuel Type: Premium Unleaded Gasoline 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Transmission Transmission Code: 4T80-E Optional Optional Transmission: N/A for 2009 DTS Features Drive Layout: Front-Wheel Drive (FWD) 📐 Dimensions Exterior Length: 207.0 inches Width: 74.4 inches Height: 58.2 inches Wheelbase: 115.9 inches Weights Curb Weight: Approximately 4,130 - 4,250 lbs (depending on options) 🛡️ Safety Features Ratings NHTSA Front Driver Impact: 5-Star (2009 model year) NHTSA Front Passenger Impact: 5-Star (2009 model year) IIHS Front Crash Rating: Good (2009 model year) IIHS Side Crash Rating: Good (2009 model year) IIHS Rear Crash Rating: Good (2009 model year) Active Features Traction Control: Standard Electronic Stability Control: Standard (StabiliTrak) ABS: Standard Passive Features Airbags: Driver, front passenger, front side-impact, curtain side-impact airbags. 💡 Technology Features Infotainment Infotainment System: DVD-based Navigation System with touch screen, AM/FM/CD/MP3 player, Bose premium audio system. Driver Assistance Adaptive Cruise Control: Optional Parking Assist: Ultrasonic rear parking assist standard on most trims. Connectivity Bluetooth: Available with Cadillac's Voice Recognition System. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 12 months (with synthetic oil), or as indicated by the Oil Life Monitor system. Tire Rotation Interval: Every 7,500 miles Coolant Flush Interval: Initially at 150,000 miles, then every 50,000 miles thereafter (Dex-Cool). Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (meeting GM specification GMW15489) Transmission Fluid Type: Dexron VI Automatic Transmission Fluid (ATF) Coolant Type: GM P/N 12378330, Orange Long-Life (Dex-Cool) coolant Known Issues Northstar Headgaskets: While improved in later Northstar generations, earlier versions were known for head gasket issues; the 2009 DTS typically has more robust head gaskets, but the manual would detail any specific checks. ABS Wheel Speed Sensors: Can be susceptible to failure, leading to ABS and traction control warnings. HVAC Blend Door Actuators: Common failure point causing temperature control issues. 📚 Vehicle History Brand Heritage Brand Legacy: Cadillac, founded in 1902, is an American luxury automotive marque, known for pioneering automotive technologies and establishing standards for luxury and comfort. Model Evolution Dts Lineage: The DTS (Deville Touring Sedan) is the successor to the Cadillac Deville, representing the final generation of Cadillac's long-standing large sedan tradition before its discontinuation. Production Production Years Dts: 2006-2011 Manufacturing Location: Hamtramck, Michigan, USA 🏆 Awards & Recognition Recognitions Consumer Reports Reliability: Varies by model year, but generally considered average to above average for its class at the time of release. The...