Market:
North America (implied by 'U.S. only' defect reporting section)
Body Style:
Full-size luxury sedan, 4-door
Generation:
Second Generation (GMX311)
Production Years Covered:
2011 model year (final year of STS production)
Segment:
Full-size Luxury Sedan
Cadillac Positioning:
Cadillac's flagship sedan, positioned as a blend of luxury, performance, and technology
Primary Competitors:
BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Lexus GS, Lincoln MKS
Key Advantage:
Rear-wheel-drive performance orientation with available V8 power at a lower price point than German rivals
Design Philosophy:
Art and Science design language, emphasizing sharp lines and a bold presence
Luxury Appointments:
High-quality interior materials, advanced comfort features, and sophisticated styling
Performance Orientation:
Rear-wheel-drive platform with available all-wheel drive and powerful V8 engine options
General Coverage:
Comprehensive owner's information for the 2011 Cadillac STS
Instrument Cluster:
Warning lights, gauges, and indicator operation
Entertainment Systems:
Audio, navigation, and connectivity features
Climate Controls:
Automatic climate control operation
Lights and Driver Controls:
Exterior lighting, wipers, mirrors, and controls
Locks and Security:
Keyless access, anti-theft, and security systems
Seating and Safety Restraints:
Seat adjustment, airbags, and belt systems
Maintenance and Specifications:
Fluids, capacities, part numbers, and service intervals
Page Count:
Not specified in product information. Typically 300-500 pages for an owner's manual of this era and class.
Manual Type:
Owner's Manual
Original Source:
Factory Original Equipment Manufacturer (OEM)
Delivery:
Instant Download
Binding:
Digital (no physical binding)
Powertrain Management:
Engine operation, fuel, oil, and coolant specifications with basic engine compartment overview
Chassis Systems:
Locks, security, driver controls, and user-level information on braking and suspension
Electrical Systems:
Instrument cluster, lights, and entertainment systems operation
Comfort And Convenience:
Climate controls, seating, safety restraints, and interior features
Safety Features:
Safety restraint operation and customer assistance for safety-related concerns
Engine Oil:
Checking, refilling, and specification guidance
Battery:
Battery care, jump starting, and replacement information
Fuel Information:
Fuel requirements and refill procedures
Basic Maintenance:
Checking and refilling fluids, tire pressure checks, and air filter replacement guidance
User Operations:
Operating climate controls, infotainment, lights, locks, seating adjustments, and driving procedures
Troubleshooting Basic:
Understanding dashboard warning lights and indicators via the instrument cluster section
Safety Reporting:
Specific instructions for reporting safety defects in the U.S.
Cleaning And Care:
Dedicated section covering interior and exterior cleaning advice
Refill Capacities:
Factory-specified fluid capacities for all systems
Part Numbers:
OEM part number references for filters and consumables
Depth Level:
Owner-level information focused on operation, maintenance, and user-facing features
Not A Repair Manual:
Does not cover teardown or rebuild procedures; provides essential specifications for maintenance
Lubricant Specifications:
GM-approved lubricant specifications for all service points
Accessories:
Information on factory accessories and service parts
Service Information:
Service information and specifications sections for owner-performed maintenance
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
Engine Code 1:
3.6L V6 (LLT direct-injection family)
Displacement 1:
3.6 Liters (3564 cc)
Horsepower 1:
Approximately 302 hp @ 6400 rpm
Torque 1:
Approximately 272 lb-ft @ 4400 rpm
Fuel System 1:
Direct Injection (DI)
Engine Code 2:
4.6L V8 (Northstar LH2)
Displacement 2:
4.6 Liters (4600 cc)
Horsepower 2:
Approximately 292 hp @ 6300 rpm
Torque 2:
Approximately 295 lb-ft @ 3400 rpm
Fuel System 2:
Port Fuel Injection (PFI)
Recommended Fuel:
Premium unleaded gasoline (91 octane or higher recommended, especially for the V8)
Type:
6-speed automatic with Driver Shift Control
Gear Ratios:
Specific ratios vary by engine, generally close ratios for performance with overdrive for fuel economy
Drive Type:
Available in Rear-Wheel Drive (RWD) and All-Wheel Drive (AWD)
Shift Modes:
Driver Shift Control allows manual gear selection
NHTSA Front Crash:
5-Star Rating (for models tested)
NHTSA Side Crash:
N/A - not specified for this model year in available sources
IIHS Front Overlap:
Good (for models tested)
IIHS Side Impact:
N/A - not specified for this model year in available sources
ABS:
Standard Anti-lock Braking System
Traction Control:
Standard Traction Control System (TCS)
Stability Control:
Standard StabiliTrak Electronic Stability Control
Brake Assist:
Panic Brake Assist (PBA)
Airbags Front:
Driver and front passenger airbags
Airbags Side:
Front and rear side-impact airbags
Airbags Curtain:
Full-length side curtain airbags
Seat Belts:
3-point safety belts with pretensioners for all seating positions
Child Anchors:
LATCH (Lower Anchors and Tethers for Children) system
Audio System:
Bose premium audio system (optional)
Interface:
Center control stack with available touchscreen and navigation
Connectivity:
Bluetooth for phone and audio streaming, USB ports
Adaptive Cruise Control:
Available Adaptive Cruise Control
Parking Assist:
Front and rear park assist sensors
Blind Spot Monitoring:
Available Side Blind Zone Alert
Keyless Entry:
Keyless Access with push button start
Lighting:
Xenon HID headlamps with LED taillamps, ambient interior lighting
Oil Change Interval:
Typically every 7,500 miles or as indicated by the Oil Life Monitoring System
Tire Rotation:
Recommended every 7,500 miles
Brake Fluid Check:
Inspect at regular intervals, replace as needed or every 2-3 years
Engine Oil Type:
dexos1 SAE 5W-30 (or equivalent meeting GM spec)
Engine Oil Capacity:
V6: 5.5 quarts (5.2 L); V8: 6.0 quarts (5.7 L) (approximate, with filter)
Coolant Type:
Dex-Cool (GM 6277M) orange long-life coolant
Transmission Fluid Type:
Dexron VI Automatic Transmission Fluid
Power Steering Fluid:
Dexron VI or specified GM fluid
Common Complaints:
Water pump leaks (especially on V6), occasional transmission issues (clunking, shifting delays), magnetic ride control failures, interior trim rattles, infotainment glitches
Air Filter Example:
GM part numbers vary by engine, e.g., ACDelco A1645C for V6, A3148C for V8 (check VIN for exact match)
Oil Filter Example:
ACDelco PF46 (for V6), PF48 (for V8) (check VIN for exact match)
Cadillac Legacy:
Long-standing American luxury automotive brand known for innovation and refinement
STS Lineage:
The STS replaced the Seville STS and represented Cadillac's re-entry into the rear-wheel-drive large luxury sedan segment with a focus on driving dynamics and modern technology
Production Years:
2005-2011
Assembly Location:
Lansing Grand River Assembly, Lansing, Michigan, USA