The Buick Lacrosse 2018 Factory Workshop Service and Repair Manual is a comprehensive guide designed for professional technicians and serious DIY enthusiasts. This manual provides detailed instructions and illustrations to service and repair your Buick Lacrosse.

It includes in-depth information on various aspects of your vehicle, covering everything from routine maintenance to complex repairs. You'll find detailed instructions on components like the engine, transmission, brakes, suspension, electrical system, HVAC system, and more.

The manual features high-resolution illustrations, diagrams, photos, and step-by-step instructions to help you understand each procedure. It covers a wide range of topics, including:

**Accessories and Equipment:**

* Active Noise Cancellation
* Air Wind Noise
* Bolted Exterior Body Panels and Closures
* Bumpers and Fascias
* Cellular, Entertainment and Navigation
* Cruise Control System
* Data Communications
* Displays and Gauges
* Driver Assistance System
* Exterior Trim
* Fixed and Moveable Windows
* Floor Coverings and Headlinings
* Frame and Underbody
* Horns and Pedestrian Alerts
* Image Display Cameras
* Instrument Panel and Console Trim
* Interior Trim and Paneling
* Lighting
* Mirrors
* Paint and Coatings
* Parking Assistance System
* Power Outlets
* Power Seats
* Remote Functions
* Seat Hardware, Trim and Upholstery
* Seat Heating and Cooling
* Secondary and Configurable Customer Controls
* Squeaks and Rattles
* Sunroof
* Theft Deterrent System
* Vehicle Access System
* Waterleaks
* Wipers and Washers

**Automatic Stop/ Start Disable:**

* Automatic Stop/ Start Disable

**Brakes:**

* Antilock Brake System Hybrid
* Antilock Brake System
* Disc Brakes
* Hydraulic Brakes
* Park Brake

**Canadian Model Reference:**

* Canadian Model Reference

**Driveline and Axle:**

* Propeller Shaft
* Rear Drive Axle
* Wheel Drive Shafts

**Electrical:**

* Starting and Charging
* Component Connector End Views In dex
* Luggage Compartment Rear of Vehicle Component Views
* Powertrain Component Views
* Inline Connector End Views Index
* Component Connector End Views A10 B218L
* Component Connector End Views B218R K9
* Component Connector End Views K40D M8
* Component Connector End Views K9 K40D
* Component Connector End Views M15A S27
* Component Connector End Views S30 X92
* Door Component Views
* Electrical Center Identification Views
* Front of Vehicle Engine Compartment Component Views
* Ground Views
* Inline Harness Connector End Views X100 X211
* Inline Harness Connector End Views X213 X400
* Inline Harness Connector End Views X404 X800
* Instrument Panel Center Console Component Views
* Master Electrical Component List
* Passenger Compartment Roof Component Views
* Wheels Vehicle Underbody Component Views
* Miscellaneous
* Description and Operation
* Diagnostic Information and Procedures
* Repair Instructions
* Schematic and Routing Diagrams
* Special Tools and Equipment
* Specifications

**Emission:**

* Applications
* Control Abbreviations

**Engine Performance:**

* Description and Operation 2.5L (LHN)
* Diagnostic Information and Procedures (P0010 - P0336) 2.5L (LHN)
* Diagnostic Information and Procedures (P0340 P2635) 2.5L (LHN)
* Repair Instructions 2.5L (LHN)
* Schematic and Routing Diagrams 2.5L (LHN)
* Special Tools and Equipment 2.5L (LHN)
* Specifications 2.5L (LHN)
* Description and Operation 3.6L (LGX)
* Diagnostic Information and Procedures (P0010 P0459) 3.6L (LGX)
* Diagnostic Information and Procedures (P0446 P3436) 3.6L (LGX)
* Repair Instructions 3.6L (LGX)
* Schematic and Routing Diagrams 3.6L (LGX)
* Special Tools and Equipment 3.6L (LGX)
* Specifications 3.6L (LGX)
* Firing Order and Cylinder Identification
* Mode 6

**Engine:**

* Heating and Cooling
* Mechanical 2.5L (LHN)
* Mechanical 3.6L (LGX) Component Locator
* Mechanical 3.6L (LGX) Description and Operation
* Mechanical 3.6L (LGX) Diagnostic Information and Procedures
* Mechanical 3.6L (LGX) Repair Instructions OFF Vehicle
* Mechanical 3.6L (LGX) Repair Instructions ON Vehicle
* Mechanical 3.6L (LGX) Schematic and Routing Diagrams
* Mechanical 3.6L (LGX) Special Tools and Equipment
* Mechanical 3.6L (LGX)Specifications
* Exhaust
* Hybrid EV Controls
* Hybrid Cooling
* Hybrid Energy Storage

**General Information:**

* Antilock Brake Safety Precautions
* Clutch Trouble Shooting
* Commonly Used Abbreviations
* Dangers, Warnings and Cautions
* Drive Axle Noise Diagnosis
* Electrostatic Discharge Warning
* Engine Displacement Conversion Table
* Engine Overhaul Procedures
* Engine Performance Diagnostic Routine Outline
* Engine Performance Sfatey Precautions
* English Metric Conversion Chart
* Gear Tooth Contact Patterns
* General Cooling System
* General Information
* Maintenance and Lubrication
* Parasitic Load Explanation and Test Procedures
* Programming and Setup
* Special Tools
* State Emission Standards
* Symptom Check List Worksheets
* Trouble Shooting
* Vehicle Diagnostic Information Specifications
* Vibration Diagnosis and Correction
* Waveforms
* Wheel Alignment Theory and Operation

**HVAC:**

* Heating, Ventilation and Air Conditioning
* Automatic

**Reminder Indicator Reset Procedures:**

* Reminder Indicator Reset Procedures

**Restraints:**

* Seat Belts
* Supplement Inflatable Restraints

**Steering:**

* Power Steering
* Steering Wheel and Column

**Suspension:**

* Buick Wheel Alignment Specifications
* Electronic Suspension Control
* Front Suspension
* Rear Suspension
* Suspension General Diagnosis
* Tire Pressure Monitoring
* Tires and Wheels
* Wheel Alignment

**System Wiring Diagrams:**

* Wiring Diagrams

**Tire Pressure Monitor System:**

* Tire Pressure Monitor System

**Traction Control:**

* 4WD and AWD

**Transmission:**

* Component Locator 6T40 (MNH)
* Description and Operation 6T40 (MNH)
* Diagnostic Information and Procedures 6T40 (MNH)
* Repair Instructions OFF Vehicle 6T40 (MNH)
* Repair Instructions ON Vehicle 6T40 (MNH)
* Schematic and Routing Diagrams 6T40 (MNH)
* Special Tools and Equipment 6T40 (MNH)
* Specifications 6T40 (MNH)
* Component Locator 9T60 (M3G)
* Description and Operation 9T60 (M3G)
* Diagnostic Information and Procedures 9T60 (M3G)
* Repair Instructions OFF Vehicle 9T60 (M3G)
* Repair Instructions ON Vehicle 9T60 (M3G)
* Schematic and Routing Diagrams 9T60 (M3G)
* Special Tools and Equipment 9T60 (M3G)
* Specifications 9T60 (M3G)
* Electronic Transmission Range Select
* Power Transfer Unit Transfer Case

**Uniform Inspection and Communication Standards:**

* Brake System
* Drive Train and Transmission System
* Electrical System
* Engine Performance and Maintenance
* Exhaust System
* Heating, Ventilation and Air Conditioning
* Routine Inspection Reference Guide
* Steering and Suspension System

This manual is equivalent to the information used by professional repair shops, offering detailed instructions and diagrams for all repair procedures. It is a valuable resource for anyone who wants to maintain and repair their Buick Lacrosse.

The 2018 Buick Lacrosse is a midsize luxury sedan that embodies the brand's commitment to refined driving experiences and sophisticated design. This generation of the Lacrosse, launched in 2017, marked a significant departure from its predecessors, boasting a sleeker, more contemporary aesthetic. Underpinning the car's elegant exterior is a robust platform, offering a comfortable and controlled ride. Power options included a 2.5L four-cylinder engine for fuel efficiency, a 3.6L V6 engine for spirited acceleration, and a 3.6L V6 hybrid for optimal fuel economy. The Lacrosse appealed to drivers seeking a blend of luxury, comfort, and technology, offering features like a spacious interior with premium materials, a comprehensive infotainment system with touchscreen navigation, and advanced safety systems such as lane departure warning and forward collision alert.

The 2018 Buick Lacrosse's interior was a testament to Buick's dedication to comfort and sophistication. The cabin was thoughtfully designed with high-quality materials like leather upholstery, real wood accents, and soft-touch surfaces. The spacious interior provided ample legroom and headroom for both front and rear passengers, ensuring a comfortable journey for all occupants. The emphasis on technology was evident in features like the intuitive infotainment system with a large touchscreen display, Apple CarPlay and Android Auto integration, and a premium Bose sound system. The driver-focused cockpit featured an instrument panel with a clear layout and user-friendly controls, allowing drivers to stay focused on the road. The 2018 Buick Lacrosse was a compelling choice for drivers looking for a refined driving experience paired with technological advancement.