🏷️ Basic Information Identification Make: GMC Model: Sonoma Year: 2004 Product Name: GMC SONOMA 2004 Owners Manual Manual Type: Owner's Manual 👋 Introduction Market Position Segment: Compact Pickup Truck Competitive Analysis Competitors: Chevrolet S-10, Ford Ranger, Toyota Tacoma, Dodge Dakota Key Features Vehicle Type: Compact Pickup Truck Body Styles: Regular Cab, Extended Cab, Crew Cab (depending on market/options) Drivetrain: Rear-Wheel Drive (RWD) or All-Wheel Drive (AWD) 📋 Manual Details Coverage Areas Driver Passenger Safety: Seat Belts, SRS Airbag System, Child Protection (Child Seats, LATCH System) Instruments Controls: Indicators, Gauges, Information Display, Dashboard Layout, Steering Column Controls Features: Climate Control System, Audio System, Steering Wheel Controls, Security System, Cruise Control Before Driving: Fuel Recommendations, Vehicle Break-in Procedures, Cargo Loading and Distribution Guidelines Driving: Engine Operation, Transmission Operation (Automatic and Manual, depending on configuration) Maintenance: Maintenance Minder System, Fluid Level Checks, Minor Service Procedures, Vehicle Storage Unexpected Situations: Flat Tire Procedures, Dead Battery Jump Starting, Overheating Diagnosis, Fuse Identification and Replacement Technical Information: Vehicle Specifications, Tire Information (Sizes, Pressures), Emissions Control Systems Customer Relations: Warranty Information, Customer Assistance Contacts Index: Comprehensive Index for easy navigation Page Count Estimated Pages: Approx. 200-250 pages (typical for this model year and content) Manual Type Type: Owner's Manual Language Language: English Format Format: Printed Booklet 📖 Manual Coverage Systems Covered Powertrain: Engine operation and basic care, transmission engagement and operation Chassis: Braking system overview, steering system, suspension basics, wheels and tires Electrical: Lighting system, instrument panel indicators, fuse box locations and functions, battery maintenance Comfort Convenience: Climate control system operation, audio system functions, power windows/locks, cruise control Safety Security: Seat belt usage and adjustments, SRS airbag system explanation, child restraint system installation, vehicle security features Procedures Included Basic Maintenance: Checking and topping off fluid levels (oil, coolant, brake fluid, washer fluid), tire pressure checks, bulb replacement instructions Troubleshooting Minor: Understanding dashboard warning lights, diagnosing common issues like overheating, jump starting a dead battery Emergency Response: Changing a flat tire, safe vehicle operation in adverse conditions, what to do in case of an accident Technical Depth Depth: Designed for the owner, focusing on operation, basic maintenance, and emergency procedures. Does not include detailed diagnostic or repair procedures typical of a service manual. 📊 Manual Specifications File Format Format: Physical printed manual Print Quality Quality: Standard OEM print quality, typically black and white text with some diagrams. Binding Type Binding: Saddle-stitched or perfect bound booklet Paper Type Paper: Standard paper stock for owner manuals ⚙️ Engine Specifications Primary Engine Engine Options: 2.2L Ecotec L61 I4, 4.3L Vortec LV3 V6 Performance 2.2L I4 Horsepower: 140 hp @ 5600 rpm Torque: 130 lb-ft @ 4000 rpm Performance 4.3L V6 Horsepower: 180 hp @ 4400 rpm Torque: 245 lb-ft @ 2800 rpm Fuel System System: Multi-port Fuel Injection (MPFI) Fuel Recommendation Octane Rating: 87 octane unleaded gasoline recommended for both engines. 🔧 Transmission Standard Transmission Options: 5-speed Manual Transmission (for select configurations), 4-speed Automatic Transmission (4L60-E) Optional Transmission Options: 4-speed Automatic Transmission (4L60-E) Features Features: Tow/Haul mode on automatic transmission for improved towing performance. 📐 Dimensions Exterior Bed Lengths Short Bed: Approx. 72.5 inches Long Bed: Approx. 78.7 inches Wheelbase Short Wheelbase: Approx. 111.5 inches Wheelbase Long Wheelbase: Approx. 122.5 inches Weights Curb Weight Range: Approx. 3,500 - 4,200 lbs (depending on configuration) Max Payload Capacity: Up to approx. 1,500 lbs (depending on configuration) Max Towing Capacity: Up to approx. 5,000 lbs (depending on configuration and trailering package) 🛡️ Safety Features Ratings NHTSA Front Impact: Generally good for its class and era, refer to specific NHTSA reports for exact ratings. Active Features ABS: Anti-lock Braking System (ABS) available on rear wheels or four wheels, depending on configuration. Passive Features Airbags: Driver and front passenger airbags (SRS) Seat Belts: Three-point front seat belts with pretensioners, lap belts for rear passengers in extended cabs. Child Protection Latch System: Lower Anchors and Tethers for CHildren (LATCH) system in rear seating positions for applicable configurations. 💡 Technology Features Infotainment Audio System: Standard AM/FM stereo with CD player or cassette player. Optional premium audio systems may be available. Driver Assistance Cruise Control: Standard cruise control system with steering wheel mounted controls. Connectivity Aux Input: Auxiliary audio input jack not typically standard on this model year, may require aftermarket integration. 🔧 Maintenance Service Intervals Oil Change: Every 7,500 miles or 6 months, whichever comes first (using synthetic oil recommended by GM for extended intervals). Tire Rotation: Every 7,500 miles Engine Air Filter: Inspect every 15,000 miles, replace as needed or every 30,000 miles. Spark Plugs: Typically 100,000 miles for Ecotec I4 and Vortec V6 with extended-life plugs. Fluid Specifications Engine Oil: SAE 5W-30 synthetic motor oil meeting GM specification GM6094M Coolant: GM DEX-COOL (Orange) 50/50 coolant/water mixture Transmission Fluid: Dexron-VI Automatic Transmission Fluid (ATF) for 4L60-E. Refer to manual for manual transmission fluid type. Brake Fluid: DOT...