Vehicle Segment:
        
        
            Mid-size Sedan, European-influenced design
        
     
    
    
        
            Key Competitors:
        
        
            Acura TSX, Volvo S60, Volkswagen Passat, Ford Fusion
        
     
    
    
        
            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.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Full Service and Repair
        
     
    
        
            Secondary Coverage:
        
        
            Maintenance, Diagnostics, Troubleshooting, Wiring Schematics, Specifications
        
     
    
    
        
            Page Count Estimate:
        
        
            Extensive (Specific count not provided, but implied to be comprehensive)
        
     
    
    
        
            Type:
        
        
            Factory Service Manual / Repair Manual
        
     
    
    
    
    
 
    
    
    
        
            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 Systems:
        
        
            Engine Hood/Door, Exterior & Interior, Electrical, Multiplex/CAN Communication, Engine Immobilizer
        
     
    
    
        
            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
        
     
    
    
        
            Depth:
        
        
            Factory-level, comprehensive (A-Z repairs), including diagrams, illustrations, and wiring schematics
        
     
 
    
    
    
        
            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)
        
     
    
    
        
            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 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)
        
     
    
    
        
            Coolant Type:
        
        
            Dex-Cool (Orange) Extended Life Coolant (GM 6277M) - Consult manual for specific capacity.
        
     
 
    
    
    
        
            Transmission Type:
        
        
            6-speed Automatic Transmission (6T40/6T45)
        
     
    
    
        
            Transmission Type Optional:
        
        
            6-speed Manual Transmission (M32 - less common, primarily for performance variants)
        
     
    
    
        
            Automatic Transmission Features:
        
        
            Driver Shift Control (tap-up/tap-down manual shifting)
        
     
    
    
        
            Automatic Transmission Fluid Type:
        
        
            Dexron VI Automatic Transmission Fluid (ATF) - Consult manual for capacity.
        
     
 
    
    
    
        
            Length:
        
        
            Approximately 190.2 inches
        
     
    
        
            Width:
        
        
            Approximately 73.1 inches
        
     
    
        
            Height:
        
        
            Approximately 58.4 inches
        
     
    
    
        
            Curb Weight:
        
        
            Approximately 3,500 - 3,700 lbs (varies by trim and drivetrain)
        
     
 
    
    
    
        
            NHTSA Overall Rating 2012:
        
        
            5-Star (for models tested)
        
     
    
    
        
            Active Safety Systems:
        
        
            Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Control (ESC)
        
     
    
    
        
            Passive Safety Features:
        
        
            Front airbags, side-impact airbags, head curtain airbags, active head restraints
        
     
 
    
    
    
        
            Infotainment System:
        
        
            Buick IntelliLink infotainment system (optional/available on certain trims) with touch screen, Bluetooth connectivity, USB integration.
        
     
    
    
        
            Driver Assistance Features:
        
        
            Available features may include Rear Vision Camera, Parking Assist, Lane Departure Warning, and Forward Collision Alert (depending on trim and options).
        
     
    
    
        
            Connectivity Options:
        
        
            OnStar telematics system, Bluetooth for hands-free calling and audio streaming.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            7,500 miles or 12 months, whichever comes first (using synthetic oil). Consult manual for specific recommendations based on driving conditions.
        
     
    
        
            Tire Rotation Interval:
        
        
            Every 7,500 miles
        
     
    
        
            Transmission Fluid Change:
        
        
            Typically recommended around 60,000 to 100,000 miles, or as per severe driving conditions. Refer to manual for exact interval.
        
     
    
    
        
            Engine Oil Specification:
        
        
            SAE 5W-30 Full Synthetic Motor Oil. Consult manual for specific viscosity and GM dexos approval.
        
     
    
        
            Brake Fluid Specification:
        
        
            DOT 3 or DOT 4 Brake Fluid. Consult manual for exact specification.
        
     
    
    
        
            Common Complaints 2012:
        
        
            Potential for early wear on turbocharger components (if equipped), occasional HVAC system issues, and infotainment system glitches. Manual provides diagnostic steps.
        
     
 
    
    
    
        
            Buick Heritage:
        
        
            Long-standing American luxury brand known for comfort, quietness, and distinctive styling.
        
     
    
    
        
            Regal Lineage:
        
        
            The Regal nameplate has a long history with Buick, dating back to 1973, evolving through various generations and market segments.
        
     
    
    
        
            Manufacturing Location:
        
        
            Oshawa, Ontario, Canada