🏷️ Basic Information Identification Make: Buick Model: LaCrosse Year: 2009 Generation Generation: Second Generation (2005-2009) Codes Platform: GM Epsilon 👋 Introduction Market Position Market Segment: Mid-size luxury sedan Competitive Analysis Key Competitors: Toyota Avalon, Nissan Maxima, Ford Taurus, Chrysler 300 Key Features Value Proposition: Comfort, quiet ride, spacious interior, premium features, and often competitive pricing relative to European luxury brands. Licensing Licensing: Officially licensed, derived from OE (Original Equipment) materials. Delivery Method Access Period: 1 Year access included, with discounts for extension. Compatibility Device Compatibility: PC, laptop, smartphone, tablet (requires internet connection and web browser). 📋 Manual Details Coverage Areas Covered Markets: North America Page Count Estimated Page Count: Thousands (typical for factory-derived software) Manual Type Manual Type: Service and Repair Manual Software Language Language: English Format Format: Digital Download (PDF or proprietary software) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, lubrication, cooling, fuel system, ignition, exhaust, emissions control, engine electrical, ECM/PCM diagnostics Transmission: Automatic transmission (e.g., 4T65-E), torque converter, shift controls, diagnostics, repair procedures Drivetrain: Front-wheel drive, half-shafts, CV joints, transaxle Suspension And Steering: Front suspension (MacPherson strut), rear suspension (multi-link), steering system (power assisted), wheel alignment, components Brakes: Front disc brakes, rear disc brakes, ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), parking brake, hydraulic system, components Electrical System: Battery, charging system, starting system, lighting, instruments, gauges, power accessories, body control module (BCM), fuses, relays, wiring diagrams HVAC: Heating, Ventilation, and Air Conditioning system, refrigerant, controls, diagnostics, repair Body And Trim: Exterior panels, interior trim, doors, windows, glass, seats, roof system Procedures Included Maintenance: Oil change, filter replacement, fluid checks and changes, tire rotation, spark plug replacement, brake pad replacement, belt inspection/replacement Diagnostics: Troubleshooting guides, symptom-based diagnostics, OBD-II diagnostic trouble codes (DTCs), specific system diagnostics Repair: Component removal and installation, sub-assembly repair, major component overhaul (e.g., engine, transmission) Wiring Information: Detailed electrical schematics, component location, connector identification Technical Depth Depth: Comprehensive factory-level detail suitable for professional technicians and advanced DIYers. 📊 Manual Specifications File Format File Format: PDF or proprietary software interface. Print Quality Print Quality: High-resolution for clear viewing and printing of diagrams and text. Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: 3.8L V6 Engine Code: L36 (likely, check VIN for exact variant) Displacement: 3.8 Liters (230.5 cubic inches) Horsepower: 205 hp @ 5200 rpm (approximate) Torque: 230 lb-ft @ 4000 rpm (approximate) Performance Optional Engine: 3.6L V6 (Direct Injection) Optional Engine Optional Engine Code: LY7 (likely, check VIN for exact variant) Optional Displacement: 3.6 Liters (217 cubic inches) Optional Horsepower: 255 hp @ 6200 rpm (approximate) Optional Torque: 250 lb-ft @ 5200 rpm (approximate) Fuel System Fuel Delivery: Sequential Fuel Injection (SFI) Recommended Fuel: 87 Octane Regular Unleaded Gasoline (91 Octane recommended for 3.6L for optimal performance) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic Transaxle Transmission Model: 4T65-E Optional Optional Transmission Type: 6-Speed Automatic Transaxle (with 3.6L engine) Optional Transmission Model: 6T70 Features Drive Type: Front-Wheel Drive (FWD) 📐 Dimensions Exterior Length: Approx. 196.9 inches Width: Approx. 72.4 inches Height: Approx. 57.7 inches Wheelbase: Approx. 110.7 inches Weights Curb Weight: Approx. 3,700 - 4,000 lbs (depending on engine and trim) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5 Stars NHTSA Front Impact Passenger: 5 Stars IIHS Front Offset Crash Rating: Good IIHS Side Impact Crash Rating: Good Active Features Active Safety Systems: ABS, Traction Control, StabiliTrak (Electronic Stability Control) Passive Features Airbags: Frontal airbags, side-impact airbags, side-curtain airbags 💡 Technology Features Infotainment Available Features: Touchscreen navigation, Bose premium audio system, satellite radio, Bluetooth connectivity (often optional or part of packages). Driver Assistance Available Features: Rear parking assist sensors, automatic climate control. Connectivity Onstar: Available OnStar telematics system with safety and communication features. 🔧 Maintenance Service Intervals Oil Change Interval: 7,500 miles or 6 months, whichever comes first (with synthetic oil and filter). Tire Rotation Interval: 7,500 miles or 6 months Cabin Air Filter Replacement: 15,000 - 20,000 miles or 12 months. Fluid Specifications Engine Oil Type: SAE 5W-30 (Full Synthetic Recommended) Engine Oil Capacity: 4.5 quarts (with filter) for 3.8L, 5.0 quarts (with filter) for 3.6L. Transmission Fluid Type: Dexron VI (for 4T65-E and 6T70) Coolant Type: GM P/N 12346290 or equivalent (Orange-colored, Dex-Cool compatible, 50/50 mix with distilled water) Known Issues Common Complaints: Transmission issues (harsh shifting, slipping), power steering pump leaks, ignition coil failures, some electrical glitches. 📚 Vehicle History Brand Heritage Buick Legacy: Known for comfort, quietness, and a degree of luxury within the mainstream American market. Model Evolution Lacrosse Positioning: Replaced the Buick Park Avenue and Century, intended to be a more modern and globally-influenced sedan for Buick. Production Manufacturing Location: Kansas City, Kansas, USA (for North American market) 🏆 Awards & Recognition Recognitions IIHS Top Safety Pick: Generally performed well in IIHS testing for its...