Key Competitors:
Ford Taurus, Toyota Avalon, Nissan Maxima, Chrysler 300
Vehicle Features:
Spacious interior, comfortable ride, available V6 engines, upscale styling for its class.
Convenience:
Instant online access, replaces bulky printed manuals, accessible from multiple devices.
Cost Effectiveness:
Saves money compared to dealership service or expensive printed manuals.
Scope:
Comprehensive Service and Repair
Target Audience:
DIYers, professional technicians
Estimated Pages:
Extensive (digital format, not a fixed page count)
Type:
Service and Repair Manual Software
Format:
PDF Download (Digital Software)
Powertrain:
Engine mechanical, fuel system, lubrication system, cooling system, exhaust system, engine control systems, transmission (automatic).
Chassis:
Suspension (front and rear), steering system, brake system (hydraulic, ABS, traction control), wheels and tires.
Body And Electrical:
Body structure, exterior components, interior trim, HVAC system, electrical system (wiring diagrams, fuses, relays), lighting, audio system, body control modules (BCM).
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotations, spark plug replacement, belt inspection/replacement.
Component Repair:
Engine diagnostics and repair, transmission service and repair, brake component replacement, suspension and steering linkage repair, exhaust system repair, HVAC system diagnostics and component replacement, electrical component troubleshooting and replacement.
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, wiring diagrams for fault finding.
Depth:
OE-level (Original Equipment) technical data, providing detailed procedures, specifications, and diagnostic information.
Diagnostic Capability:
Covers diagnostic procedures for various systems, including powertrain control modules (PCM), anti-lock brake systems (ABS), and body control modules (BCM).
Transmission Type:
4-speed automatic (e.g., 4T65-E)
Transmission Type Optional:
6-speed automatic (e.g., 6T70, often paired with 3.6L)
Drive Type:
Front-Wheel Drive (FWD)
Transmission Fluid Type:
Dexron VI
NHTSA Front Crash Rating:
5-star (2008 model year)
IIHS Side Impact Rating:
Good
Standard Safety:
Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Control (ESC - StabiliTrak)
Airbags:
Frontal airbags, side-impact airbags, head curtain airbags
Infotainment System:
Available touchscreen navigation system, premium audio options (e.g., Bose).
Assistance Features:
Available front and rear parking assist sensors, rearview camera (limited availability for 2008).
Connectivity Options:
OnStar communications system (subscription-based).
Oil Change Interval:
Every 7,500 miles or 12 months, whichever comes first, using synthetic oil (refer to manual for specific recommendation).
Air Filter Replacement:
Inspect every 15,000 miles, replace as needed (typically every 30,000 miles).
Spark Plug Replacement:
3.5L/3.9L V6 (2005-2007): ~100,000 miles (iridium plugs); 3.6L V6 (2007-2008): ~100,000 miles (iridium plugs).
Engine Oil Spec:
SAE 5W-30 (API SN or newer, synthetic recommended)
Coolant Spec:
GM P/N 12346651 (Dex-Cool, orange) or equivalent silicate-free OAT coolant
Common Problems Powertrain:
Occasional transmission slipping (4T65-E), O2 sensor failures, potential intake manifold gasket leaks.
Common Problems Suspension:
Worn control arm bushings, sway bar links, and struts/shocks leading to noise and poor handling.
Common Problems Electrical:
HVAC blower motor failures, power window regulator issues, occasional sensor failures (e.g., ABS wheel speed sensors).
Buick Legacy:
Long-standing reputation for comfort, quietness, and a more mature appeal within General Motors.
Lacrosse Context:
Replaced the Buick LeSabre and Park Avenue in the lineup, aiming for a more modern and sporting image.
Manufacturing Location:
Detroit-Hamtramck Assembly, Michigan, USA
