🏷️ Basic Information Identification Make: Infiniti Model: M45 Year: 2009 Generation Generation Code: Y50 (Second Generation) Codes Chassis Code: Y50 Engine Code: VK45DE 👋 Introduction Market Position Market Position: Luxury Full-Size Sedan Competitive Analysis Competitive Analysis: Competed directly with vehicles like the Lexus GS, BMW 5 Series, and Mercedes-Benz E-Class, often offering a blend of performance, luxury, and distinctive styling. Key Features Key Features: Powerful V8 Engine, Premium Interior Materials, Advanced Technology Features, Comfortable Ride, Refined Handling 📋 Manual Details Coverage Areas Coverage Areas: Complete Service and Repair Information Page Count Page Count Estimated: Extensive (Digital Format - varies with access) Manual Type Manual Type: Official Factory Service Manual (Licensed Digital Software) Language Language: English Format Format: Online Software / Web-Based Access 📖 Manual Coverage Systems Covered Systems Covered: Engine Mechanical, Engine Electrical, Fuel System, Cooling System, Lubrication System, Exhaust System, Drivetrain (Transmission, Axles, Driveshaft), Suspension (Front & Rear), Steering System, Brakes (ABS, EBD), HVAC (Heating, Ventilation, Air Conditioning), Electrical System (Wiring Diagrams, ECUs, Sensors), Body Control Modules, Exterior & Interior Trim, Body & Chassis, Safety Systems (Airbags, Seatbelts), Audio & Navigation Systems, Cruise Control, Pre-Delivery Inspection (PDI) Procedures Included Procedures Included: Scheduled Maintenance, Troubleshooting, Diagnostics, Component Removal & Installation, Repair Procedures, Overhaul Procedures, Torque Specifications, Fluid Capacities & Specifications, Wiring Harness Repair, Diagnostic Trouble Code (DTC) Procedures, Adjustment Procedures, Lubrication Procedures, Technical Specifications, Spec Sheets Technical Depth Technical Depth: Comprehensive Factory-Level Detail, Suitable for Professional Technicians and Advanced DIYers 📊 Manual Specifications File Format File Format: Web-Based Application (Accessible via Browser) Print Quality Print Quality: N/A (Digital Format) Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated V8 Engine Displacement: 4.5 Liters (4494 cc) Engine Code: VK45DE Performance Horsepower: 325 hp @ 6400 rpm Torque: 336 lb-ft @ 4400 rpm Fuel System Fuel System: Electronic Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline (91 Octane Recommended) Engine Features Valve Train: DOHC (Dual Overhead Camshafts), 4 Valves per Cylinder Block Material: Aluminum Alloy Cylinder Head Material: Aluminum Alloy Compression Ratio: 9.6:1 🔧 Transmission Standard Transmission Type: 5-Speed Automatic with Manual Shift Mode Optional Optional Transmission: N/A (5-Speed Auto standard) Features Transmission Features: Electronically Controlled, AI (Artificial Intelligence) Shift Control, Downshift Rev Matching Fluid Specifications Transmission Fluid Type: Nissan Matic S (or equivalent DEXRON-III H) Fluid Capacity Transmission Fluid Capacity Approx: 10.5 Quarts (9.9 Liters) (Drain and Fill) 📐 Dimensions Exterior Length: 192.7 inches (4895 mm) Width: 71.7 inches (1821 mm) Height: 58.7 inches (1491 mm) Wheelbase: 112.2 inches (2850 mm) Front Track: 60.4 inches (1534 mm) Rear Track: 60.4 inches (1534 mm) Weights Curb Weight Approx: 3959 lbs (1796 kg) Gross Vehicle Weight Rating Gvwr Approx: 5093 lbs (2310 kg) Towing Capacity: Not Specified/Recommended Wheels Tires Standard Wheel Size: 18 x 7.5 inches Optional Wheel Size: 19 x 8.0 inches (Front) / 19 x 9.0 inches (Rear) Standard Tire Size: 245/45R18 Optional Tire Size: 245/40R19 (Front) / 275/35R19 (Rear) Bolt Pattern: 5x114.3 mm (5x4.5 inches) Center Bore: 66.1 mm 🛡️ Safety Features Ratings NHTSA Front Impact Rating: 5-Star Driver / 5-Star Passenger (for 2009 model) IIHS Moderate Overlap Front Rating: Good (for 2009 model) Active Features Active Safety Features: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist (BA), Traction Control System (TCS), Vehicle Dynamic Control (VDC) Passive Features Passive Safety Features: Dual-Stage Front Airbags, Front Side-Impact Airbags, Roof-Mounted Curtain Side-Impact Airbags, Active Head Restraints, Pretensioning Seatbelts 💡 Technology Features Infotainment Infotainment System: Infiniti Navigation System with Voice Recognition, 7-inch Color LCD Display, Bose Premium Audio System (11-speaker optional), Music Box hard drive, Compact Flash (CF) card slot for music storage. Driver Assistance Driver Assistance Features: Intelligent Cruise Control (ICC), Lane Departure Warning (LDW), Lane Keep Assist (LKA) (optional, depending on trim and package), Pre-Collision System (PCS) (optional) Connectivity Connectivity Features: Bluetooth Hands-Free Phone System, USB Connectivity (later models/packages) Convenience Convenience Features: Smart Key System with Push Button Ignition, Power Sliding Glass Moonroof, Rain-Sensing Front Wipers, Auto-Dimming Rearview Mirror with HomeLink 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 miles (12 months), or as indicated by the Intelligent Maintenance System (IMS). Engine Air Filter Replacement: Every 30,000 - 45,000 miles (or sooner if driving in dusty conditions). Cabin Air Filter Replacement: Every 15,000 - 20,000 miles (or annually). Spark Plug Replacement: Approximately 100,000 miles (Platinum/Iridium tipped). Transmission Fluid Change: Every 60,000 - 80,000 miles (or as indicated by severe service conditions). Fluid Specifications Engine Oil Type: SAE 5W-30 Engine Oil Capacity: 5.9 Quarts (5.6 Liters) with filter change Coolant Type: Nissan Genuine Super Long Life Coolant (Blue) or equivalent mixture of 50/50 P-OAT/HOAT coolant and distilled water. Power Steering Fluid Type: Nissan Genuine PSF or equivalent DEXRON-III compatible fluid. Brake Fluid Type: SAE J1703 or FMVSS 116 DOT 3 Known Issues Known...