🏷️ Basic Information Identification Make: Buick Model: Regal Year: 2002 Codes Vin Prefix: 1G3 👋 Introduction Market Position Vehicle Segment: Mid-size Sedan Brand Perception: Buick positioned as a more comfortable, refined, and upscale offering within GM's mainstream brands. Competitive Analysis Key Competitors: Ford Taurus, Toyota Camry, Honda Accord, Nissan Altima, Chevrolet Impala Key Features Comfort And Ride: Emphasis on a smooth, quiet, and comfortable ride quality, often with a focus on plush seating. Interior Appointments: Generally well-appointed interiors for its class, with a focus on user-friendly controls and materials. 📋 Manual Details Coverage Areas Manual Type: Owner's Manual Language: English Primary Coverage: Features, Controls, Maintenance Schedules, Basic DIY Service, Towing, Safety Page Count Estimated Page Count: 200-250 Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine operation, cooling, lubrication, fuel, ignition, exhaust systems (overview) Chassis: Braking system operation, steering system operation, suspension system overview Electrical: Lighting operation, instrument panel indicators, warning lights, basic electrical features (e.g., wipers, horn) Body: Door locks, windows, mirrors, seats, climate control operation, sound system basics Procedures Included Routine Maintenance: Checking fluid levels (oil, coolant, brake fluid, washer fluid), tire pressure checks, wiper blade replacement guidance Basic Diy: Jump starting, changing wiper blades, checking/replacing fuses, adding washer fluid Safety Considerations: Seat belt usage, child restraint system installation guidance, emergency procedures, driving in adverse conditions Towing: Towing capacity information, trailer towing considerations, trailer lighting hookup overview Technical Depth Diagnostic Level: Owner-level troubleshooting for common issues (e.g., understanding warning lights) Repair Scope: Primarily focused on operation and basic maintenance, not in-depth repair procedures or component overhauls. 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Searchability: Likely text-searchable if OCR'd properly, allowing for keyword searches. Print Quality Printable: Yes, designed to be printable on standard home or office printers. Binding Type Binding Type Analog: Not applicable (digital format), but original physical manual would typically be perfect bound or stapled. Paper Type Paper Type Analog: Not applicable (digital format), but original physical manual would typically be printed on standard automotive manual paper stock. ⚙️ Engine Specifications Primary Engine Engine Type 1: 3.8L V6 (L36) Naturally Aspirated Displacement 1: 3.8 Liters (3800 cc) Horsepower 1: 200 hp @ 5200 rpm Torque 1: 225 lb-ft @ 4000 rpm Performance Engine Type 2: 3.8L V6 Supercharged (L67) 'Series II' Displacement 2: 3.8 Liters (3800 cc) Horsepower 2: 240 hp @ 5200 rpm Torque 2: 280 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential Fuel Injection (SFI) Recommended Fuel: 87 Octane Unleaded (3.8L V6), 91 Octane Unleaded (3.8L Supercharged) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (4T65-E) Optional Optional Transmission Type: 4-Speed Automatic with Driver Shift Control (4T65-E HD) Features Transmission Features: Electronically controlled, torque converter clutch, includes overdrive 📐 Dimensions Exterior Length: Approximately 197.3 inches (4999 mm) Width: Approximately 70.4 inches (1788 mm) Height: Approximately 57.1 inches (1450 mm) Wheelbase: Approximately 109.0 inches (2769 mm) Cargo Trunk Volume: Approximately 15.1 cubic feet (427 liters) Weights Curb Weight Range: Approximately 3400 - 3600 lbs (1542 - 1633 kg), varies by engine and trim. 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: 5-Star (for models equipped with airbags) NHTSA Frontal Impact Passenger: 5-Star (for models equipped with airbags) IIHS Frontal Offset Score: Good Active Features ABS: Standard Anti-lock Braking System (ABS) on all wheels Traction Control: Available Traction Control System (TCS) on some models, particularly with the supercharged engine. Passive Features Airbags: Dual front airbags, optional side-impact airbags Seat Belts: 3-point front and rear seat belts, front seat belt pretensioners Child Seats: LATCH (Lower Anchors and Tethers for Children) system for rear seats 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with CD player, optional premium sound systems (e.g., Monsoon), cassette tape player may be present on base models. Display: Basic digital or analog displays for radio presets and climate control. Driver Assistance Cruise Control: Standard electronic cruise control Tire Pressure Monitoring: Not a standard feature on this model year. Connectivity Aux Input: Not a standard feature. Aftermarket solutions would be required for audio device connectivity. Bluetooth: Not a standard feature. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles (12,000 km) or 6 months (whichever comes first) with synthetic blend oil. Consult manual for conventional oil recommendations. Engine Coolant Flush: Initial flush at 100,000 miles (160,000 km), then every 50,000 miles (80,000 km) thereafter. Spark Plug Replacement: 100,000 miles (160,000 km) for platinum-tipped spark plugs. Fluid Specifications Engine Oil Type 3800: SAE 3.8L V6: SAE 5W-30 Synthetic Blend or Full Synthetic. (Check manual for specific GM spec like Dexos if applicable, though less common for this era). Engine Oil Capacity: 4.5 US quarts (4.3 Liters) with filter (3.8L V6). Transmission Fluid Type: Dexron III (or equivalent specification compatible with 4T65-E transmission) Coolant Type: GM "Colorless" Conventional Coolant (may have been replaced by orange silicate-free later,...