Target Audience:
Families and owners seeking a comfortable, well-equipped crossover-styled minivan
Market Segment:
Entry-luxury minivan
Platform:
GM U-body (shared with Chevrolet Uplander, Pontiac Montana SV6, Saturn Relay)
Key Competitors:
Toyota Sienna, Honda Odyssey, Chrysler Town & Country, Kia Sedona
Advantage:
Upscale Buick trim, QuietTuning emphasis, and crossover-inspired styling at a lower price point
Feature Highlights:
Third-row seating, available all-wheel drive, rear DVD entertainment, Versatrak AWD
Notable Equipment:
Optional head-up instrument display on upper trims
Trim Levels:
CX, CX Plus, CXL, CXL Plus
Manual Type:
Service and Repair Manual Software
Licensing:
Officially Licensed, OE Material Derived
Access Duration:
1 Year (with renewal discounts)
Format:
Digital Download (Web Browser Accessible)
Compatibility:
PC, Laptop, Smartphone, Tablet (Internet Connection Required)
Coverage Areas:
Complete engine, transmission, brake, electrical, suspension, and body systems
Procedures:
Step-by-step diagnostic and repair procedures with factory specifications and torque values
Diagrams:
Wiring diagrams, exploded views, and component illustrations
Intended Users:
Professional technicians and DIY owners
Engine Mechanical:
Cylinder head, valve train, lubrication, cooling, and drive belt service
Engine Control:
PCM diagnostics, sensor testing, fuel and ignition system troubleshooting
Transmission / Transaxle:
4T65-E automatic transaxle service, clutch packs, valve body, and shift diagnostics
Transfer Case / AWD:
Versatrak all-wheel-drive system diagnosis and repair
Brakes:
Front and rear disc brakes, ABS diagnostics, parking brake adjustment
Steering:
Power steering system, column, and linkage service
Suspension:
Front and rear suspension, wheel alignment specifications
HVAC:
Heating, ventilation, and air conditioning service and refrigerant procedures
Electrical:
Complete wiring diagrams, lighting, gauges, and body control module diagnostics
Restraints:
Airbag system, seat belts, and child restraint anchorage service
Body and Interior:
Doors, sliding door mechanism, liftgate, trim, seats, and glass
Wipers and Washers:
Wiper motor, linkage, and washer system service
Entertainment:
Audio system and rear seat entertainment diagnostics
Diagnostics:
Fault code retrieval, symptom-based troubleshooting charts, and system testing
Repair Procedures:
Step-by-step removal, installation, disassembly, and reassembly instructions
Specifications:
Torque specifications, fluid capacities, and adjustment values
Maintenance:
Scheduled service tables, fluid specifications, and inspection intervals
Special Tools:
Required special tool listings for each procedure
Detail Level:
Factory-level service information equivalent to GM dealer documentation
Audience:
Suitable for professional technicians and experienced DIY owners
Navigation:
Searchable, bookmarkable digital format with linked tables of contents
Parts References:
Illustrated component views and part identification throughout procedures
Fluid Specifications:
Approved fluids and capacities for all systems
Torque Data:
Fastener torque values provided with each relevant procedure
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Airbags:
Dual front airbags; front side-impact airbags available
Seat Belts:
Three-point belts in all outboard seating positions
Structure:
Reinforced safety-cage body structure
Head Restraints:
Adjustable head restraints in all outboard positions
Child Restraints:
LATCH anchors and rear door child safety locks
ABS:
Four-wheel anti-lock braking system
Traction Control:
Available all-speed traction control
Tire Pressure:
Tire pressure monitoring
Daytime Running Lights:
Standard
Crash Test Information:
N/A - official NHTSA and IIHS ratings not specified for this model in the manual
Audio System:
AM/FM stereo with CD player; available six-disc changer and premium sound
Rear Entertainment:
Available rear seat DVD entertainment system with drop-down screen
Audio Controls:
Available steering wheel-mounted audio controls
Head-Up Display:
Available head-up instrument display on upper trims
Parking Aids:
Available rear parking assist sensors
Driver Information Center:
Digital driver information center with warning displays
Advanced ADAS:
N/A - not equipped on this model year
Recommended Oil Type:
SAE 5W-30
Oil Capacity:
5 Quarts (with filter)
Engine Air Filter:
Inspect regularly; replace as condition requires
Oil Change Interval:
Every 7,500 miles or 6 months (whichever comes first)
Tire Rotation Interval:
Every 7,500 miles
Spark Plugs:
Replace at approximately 100,000 miles (iridium plugs)
Coolant:
Dex-Cool extended-life coolant; inspect at intervals per service schedule
Transmission Fluid:
Inspect and service per severe-use schedule; T-VI rated ATF per GM specification
Intake Manifold Gaskets:
Common wear item on GM 3.5L/3.9L OHV V6 engines; inspect for coolant leaks
Sliding Door Mechanism:
Power sliding door cables and rollers are known wear items
Transaxle:
4T65-E benefits from regular fluid changes, especially with towing or AWD use
Brake Wear:
Vehicle weight increases front brake pad and rotor wear
Manufacturer:
General Motors (Buick Division)
Brand Position:
Buick, GM's entry-luxury brand founded in 1903
Terraza Role:
Buick's first and only minivan
Debut:
Introduced for the 2005 model year on the GM U-body platform
Platform Siblings:
Chevrolet Uplander, Pontiac Montana SV6, Saturn Relay
2006 Changes:
3.9L V6 option and available all-wheel drive expanded
End of Production:
Discontinued after the 2007 model year
Production Location:
Doraville Assembly, Georgia, USA