🏷️ Basic Information

Make:

Buick

Model:

Lucerne

Year:

2012

Vehicle Type:

Full-size Sedan

Generation Code:

Second Generation (2006-2011)

Platform:

GM Epsilon II (shared with Cadillac DTS, Chevrolet Impala)

👋 Introduction

Positioning:

Premium full-size sedan offering comfort, luxury, and reliable performance.

Key Competitors:

Ford Taurus, Chrysler 300, Toyota Avalon, Lincoln Town Car (competitors in its market segment)

Manual Advantage:

Vehicle-specific, factory-level detail, comprehensive A-Z coverage, digital format for ease of use and printing.

Vehicle Appeal:

Comfortable ride, quiet cabin, spacious interior, smooth powertrain, elegant styling.

Value:

Empowers owners and technicians with the precise information needed for accurate maintenance and repair, saving time and money.

📋 Manual Details

Primary Coverage:

2012 Buick Lucerne (all models and trims)

Secondary Coverage:

Vehicle-specific repair, maintenance, diagnosis, and servicing

Estimated Page Count:

Extensive (specific number not provided, but described as comprehensive)

Type:

Service and Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine:

Complete engine overhaul, diagnostics, and repair (including lubrication, cooling, fuel, ignition, starting, charging, emission control)

Transmission:

Automatic transmission service, diagnosis, and repair

Drivetrain:

Drive shafts, differential, axles, suspension, steering (including power steering)

Brakes:

Brake system diagnosis, repair, including parking brake and ABS control

Electrical:

Complete electrical system coverage, including wiring schematics, multiplex/CAN communication, battery, starting, charging, lighting, instruments, audio/visual, horns, wipers/washers, power locks

Body:

Exterior and interior components, doors, windows, mirrors, seats, engine hood

Climate Control:

Air conditioning system service and repair

Safety Systems:

Supplemental Restraint System (SRS), seat belts, engine immobilizer, cruise control

Maintenance:

All scheduled maintenance procedures, fluid checks and changes, filter replacements

Diagnosis:

Step-by-step diagnostic procedures for all systems, troubleshooting common issues

Repair:

Detailed instructions for component replacement, adjustment, and repair across all vehicle systems

Installation:

Installation procedures for various components and accessories

Depth:

Factory-level detail, suitable for dealership technicians and advanced DIYers

Content Type:

Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications

📊 Manual Specifications

Format:

PDF

Compatibility:

Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac OS

Searchability:

Searchable text content within PDF

Printability:

All pages printable

Image Enhancement:

Ability to blow up images and print enlarged copies

Binding:

Digital (no physical binding)

Paper Type:

N/A (Digital format, print on demand)

Reader:

Adobe PDF Reader (free online)

Compression:

Winzip (free online for extraction)

⚙️ Engine Specifications

Engine Option 1:

3.9L V8 (LZ9)

Displacement 1:

3929 cc (239.8 cu in)

Horsepower 1:

233 hp @ 5600 rpm (approx.)

Torque 1:

247 lb-ft @ 4000 rpm (approx.)

Fuel System 1:

Multi-port Fuel Injection (MPFI)

Engine Option 2:

3.6L V6 (LLT - later models, though potentially not standard for 2012 Lucerne, manual should cover both if applicable)

Displacement 2:

3564 cc (217.5 cu in)

Horsepower 2:

275 hp @ 6200 rpm (approx.)

Torque 2:

260 lb-ft @ 3000 rpm (approx.)

Fuel System 2:

Direct Injection (DI), Variable Valve Timing (VVT)

Engine Management:

GM ECM (Electronic Control Module)

Fuel Type:

Unleaded Gasoline

🔧 Transmission

Transmission Type:

6-speed automatic (6T70/6T75)

Optional Transmission:

None for this model year

Transmission Features:

Driver Shift Control (manual shifting capability), electronically controlled, adaptive shift modes.

Transmission Fluid Type:

Dexron VI Automatic Transmission Fluid (ATF)

📐 Dimensions

Length:

5179 mm (203.9 in)

Width:

1867 mm (73.5 in)

Height:

1453 mm (57.2 in)

Wheelbase:

2937 mm (115.6 in)

Curb Weight Est:

1700-1800 kg (3750-4000 lbs) depending on engine and options

Trunk Volume Est:

500 L (17.7 cu ft)

🛡️ Safety Features

NHTSA Front Crash Rating:

5-star (for driver and passenger)

NHTSA Side Crash Rating:

5-star (for front and rear passengers)

IIHS Top Safety Pick:

Yes (in certain years, manual should detail specific tests for 2012)

ABS:

Standard Anti-lock Braking System (ABS)

Traction Control:

Standard Traction Control System (TCS)

Stability Control:

Standard Electronic Stability Control (ESC), GM's StabiliTrak

Airbags:

Frontal airbags (driver/passenger), front side-impact airbags, available rear side-impact airbags and head curtain airbags

Seatbelts:

Three-point seat belts with pretensioners and load limiters

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for CHildren) system

💡 Technology Features

Infotainment System:

Available touchscreen infotainment systems with navigation, Bluetooth connectivity, and premium audio options (e.g., Bose).

Connectivity:

OnStar communications system, USB ports, auxiliary input jack.

Parking Assistance:

Rear parking assist sensors (Ultrasonic) were commonly available.

Cruise Control:

Standard cruise control, with potential for adaptive cruise control on higher trims.

Keyless Entry:

Keyless entry system, remote start.

Comfort Features:

Heated and ventilated seats, dual-zone automatic climate control, memory seats.

🔧 Maintenance

Oil Change Interval:

Refer to manual for specific interval based on oil type and driving conditions (e.g., 7,500 miles or 12 months with synthetic blend).

Tire Rotation Interval:

Every 7,500 miles or as recommended in manual.

Cabin Air Filter:

Replace every 15,000-20,000 miles or as needed.

Coolant Flush:

Refer to manual; typically every 100,000 miles for Dex-Cool coolant.

Engine Oil Type:

GM dexos1 5W-30 (preferred) or SAE 5W-30 synthetic blend

Engine Oil Capacity:

Approx. 5 quarts (4.7 liters) with filter for 3.9L V8; 5.5 quarts (5.2 liters) for 3.6L V6.

Coolant Type:

GM Delco/ACDelco DEX-COOL 50/50 Prediluted or Equivalent

Brake Fluid Type:

DOT 3

Common Complaint 1:

Transmission issues (e.g., rough shifting, solenoids) for the 6T70/75 transmission, especially with higher mileage.

Common Complaint 2:

Water pump leaks or failure on the 3.9L V8 engine.

Common Complaint 3:

Early models may exhibit some electronic component failures or sensor issues.

Common Complaint 4:

Active Suspension System (if equipped) can be costly to repair.

📚 Vehicle History

Brand Focus:

Buick is known for its focus on comfort, quietness, and a comfortable ride, often targeting a more mature demographic.

Lucerne Predecessor:

Replaced the Buick LeSabre and Park Avenue.

Lucerne Positioning:

Served as Buick's flagship sedan for its generation, emphasizing traditional American luxury and comfort.

Production Start Year:

2006

Production End Year:

2011

Manufacturing Location:

Detroit/Hamtramck Assembly, Michigan, USA

Last Model Year:

2011 (The manual covers the 2012 model, implying this is a year extension or a specific market availability, which is unusual as production officially ended in 2011. This detail might need clarification from the manual itself or reflects a common practice of offering manuals slightly past the production end for support.)