This manual covers the Regal, a mid-size sedan produced for the 2012 model year. Built on the GM Epsilon II platform, this vehicle is known for its sporty, premium styling, influenced by European design, and offers a comfortable ride and refined interior. The Regal is powered by a choice of 2.4L inline-four engines, available in naturally aspirated or turbocharged variants, and can also be found with a 3.0L V6. It features a 6-speed automatic transmission with Driver Shift Control as standard, with a manual transmission available on performance models. Safety is a priority, with advanced active and passive systems including ABS, ESC, and multiple airbags, contributing to a 5-star NHTSA overall safety rating for tested models. This comprehensive factory service and repair manual provides in-depth information for the Regal. It details full service and repair procedures, including scheduled maintenance, diagnostics, troubleshooting, and technical specifications. The manual covers all major vehicle systems, from engine mechanicals and fuel delivery to drivetrain, chassis, body, and electrical components. Owners and technicians will find step-by-step instructions, wiring schematics, and diagnostic guides to effectively maintain, repair, and troubleshoot the vehicle. This resource is designed to empower users with dealership-level information, ensuring optimal performance and longevity of the 2012 Regal. 🏷️ Basic Information Identification Make: Buick Model: Regal Year: 2012 Codes Platform: GM Epsilon II 👋 Introduction Market Position Vehicle Segment: Mid-size Sedan, European-influenced design Competitive Analysis Key Competitors: Acura TSX, Volvo S60, Volkswagen Passat, Ford Fusion Key Features Design Philosophy: Sporty, premium styling inspired by Opel Insignia Manual Value Proposition: Empowers owners and independent technicians with dealership-level diagnostic and repair information, saving time and money. 📋 Manual Details Coverage Areas Primary Coverage: Full Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting, Wiring Schematics, Specifications Page Count Page Count Estimate: Extensive (Specific count not provided, but implied to be comprehensive) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Engine Mechanical, Engine Control System, Fuel Service, Emission Control, Intake, Exhaust, Cooling, Lube, Ignition, Starting, Charging Drivetrain Systems: Automatic Transmission, Manual Transmission, Transfer/Propeller Shaft, Drive Shaft, Differential, Axle, Suspension, Tire & Wheel Chassis Systems: Brake Control, Brake, Parking Brake, Steering Column, Power Steering Comfort And Convenience: Air Conditioning, Suppl. Restraint System (SRS), Seat Belt, Cruise Control, Wiper & Washer, Door Lock, Meter/Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Seat Body And Electrical Body And Electrical Systems: Engine Hood/Door, Exterior & Interior, Electrical, Multiplex/CAN Communication, Engine Immobilizer Procedures Included Maintenance Procedures: Scheduled maintenance, fluid checks and changes, filter replacements, inspections Repair Procedures: Step-by-step instructions for all major and minor repairs across all covered systems, including diagnostics and component replacement Diagnostic Procedures: Troubleshooting guides, symptom-based diagnostics, DTC (Diagnostic Trouble Code) interpretation Technical Depth Depth: Factory-level, comprehensive (A-Z repairs), including diagrams, illustrations, and wiring schematics 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Yes, all pages are printable Image Enhancement: Images can be blown up and printed enlarged Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Software Requirements Reader Software: Adobe PDF Reader (Free) Unzipping Software: Winzip or equivalent (Free) ⚙️ Engine Specifications Primary Engine Engine Options: 2.4L Inline-4 (Naturally Aspirated & Turbocharged), 3.0L V6 (Naturally Aspirated - less common in 2012 model year, but important to note potential for variants) Performance 2.4L Turbo (Lhu) - Typical Output: Approx. 182 hp @ 4900 rpm, 273 lb-ft @ 1700 rpm 2.4L Na (Le5) - Typical Output: Approx. 170 hp @ 6200 rpm, 170 lb-ft @ 4400 rpm Fuel System Fuel Delivery: Sequential Port Fuel Injection (PFI) or Direct Injection (DI) depending on engine Recommended Fuel: Premium Unleaded Gasoline (91 octane or higher recommended for Turbocharged engines) Cooling System Coolant Type: Dex-Cool (Orange) Extended Life Coolant (GM 6277M) - Consult manual for specific capacity. 🔧 Transmission Standard Transmission Type: 6-speed Automatic Transmission (6T40/6T45) Optional Transmission Type Optional: 6-speed Manual Transmission (M32 - less common, primarily for performance variants) Features Automatic Transmission Features: Driver Shift Control (tap-up/tap-down manual shifting) Fluid Specifications Automatic Transmission Fluid Type: Dexron VI Automatic Transmission Fluid (ATF) - Consult manual for capacity. 📐 Dimensions Exterior Length: Approximately 190.2 inches Width: Approximately 73.1 inches Height: Approximately 58.4 inches Weights Curb Weight: Approximately 3,500 - 3,700 lbs (varies by trim and drivetrain) 🛡️ Safety Features Ratings NHTSA Overall Rating 2012: 5-Star (for models tested) Active Features Active Safety Systems: Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Control (ESC) Passive Features Passive Safety Features: Front airbags, side-impact airbags, head curtain airbags, active head restraints 💡 Technology Features Infotainment Infotainment System: Buick IntelliLink infotainment system (optional/available on certain trims) with touch screen, Bluetooth connectivity, USB integration. Driver Assistance Driver Assistance Features: Available features may include Rear Vision Camera, Parking Assist, Lane Departure Warning, and Forward Collision Alert (depending on trim and...