🏷️ Basic Information Identification Make: Cadillac Model: STS Year: 2007 Codes Vehicle Code: GMT191 👋 Introduction Market Position Segment: Luxury Sedan Target Audience: Consumers seeking a premium American luxury vehicle with a focus on comfort, technology, and performance. Competitive Analysis Primary Competitors: BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Lexus GS. Key Features Styling: Angular, distinctive Cadillac design language. Powertrain Options: Choice of V6 and V8 engines, available with rear-wheel drive (RWD) or all-wheel drive (AWD). Interior Appointments: High-quality materials, advanced comfort features, available premium audio and navigation. Driving Dynamics: Focus on a comfortable ride with capable handling, particularly with Magnetic Ride Control suspension. 📋 Manual Details Coverage Areas Features And Controls: Detailed explanations of all vehicle features and controls. Maintenance Schedules: Comprehensive information on recommended service intervals. Diy Activities: Guidance on basic do-it-yourself maintenance and tasks. Towing Considerations: Specific instructions and recommendations for towing with the STS. Safety Considerations: Information on safe operation, emergency procedures, and safety systems. Page Count Estimated Pages: Approximately 300-400 pages (typical for this class of vehicle). Manual Type Type: Owner's Manual Language Language: English Format Format: PDF (Electronic Version) 📖 Manual Coverage Systems Covered Powertrain: Engine operation, cooling system, fuel system, exhaust system. Drivetrain: Transmission operation, drive shafts, differentials (as applicable to AWD). Brakes: Braking system operation, parking brake, ABS. Suspension Steering: Suspension components, steering system, wheel alignment (basic understanding). Electrical: Battery, charging system, lighting, fuses, basic warning indicators. Comfort Convenience: HVAC system, power seats, windows, locks, mirrors, sunroof, audio system, navigation. Safety Systems: Airbags, seat belts, child restraint systems, StabiliTrak (electronic stability control). Procedures Included Routine Maintenance: Checking fluid levels, tire pressure, wiper blade replacement, bulb replacement. Fluid Checks And Additions: Engine oil, coolant, brake fluid, power steering fluid, windshield washer fluid. Tire And Wheel: Tire pressure monitoring, changing a flat tire, wheel torque specifications. Warning Lights And Indicators: Explanation of dashboard warning lights and their meaning. Emergency Procedures: Jump starting, procedures in case of accident, towing. Keyless Access And Starting: Operation of key fob, remote start (if equipped), keyless ignition. Technical Depth Depth: Focuses on user operation, owner-level maintenance, and understanding of vehicle systems. Does not include detailed diagnostic procedures or internal component repair instructions, which are found in service manuals. 📊 Manual Specifications File Format File Type: PDF Searchability: Typically text-searchable if created from a digital source. Print Quality Printability: Designed to be printable on standard home/office printers. Binding Type Binding: N/A (Electronic PDF) Paper Type Paper Quality: N/A (Electronic PDF) ⚙️ Engine Specifications Primary Engine Engine 1 Description: 3.6L V6 DOHC VVT Engine 1 Displacement: 3.6 liters (3564 cc) Engine 1 Horsepower: 255 hp @ 6200 rpm Engine 1 Torque: 250 lb-ft @ 3200 rpm Engine 1 Bore X Stroke: 94.0 mm x 85.6 mm Engine 1 Compression Ratio: 10.2:1 Engine 1 Fuel Type: Premium Unleaded Gasoline Engine 1 Fuel System: Sequential Fuel Injection (SFI) Engine 1 Engine Code: LLT (Early version of the 3.6 V6) Optional Engine Engine 2 Description: 4.6L V8 DOHC Northstar Engine 2 Displacement: 4.6 liters (4600 cc) Engine 2 Horsepower: 320 hp @ 6400 rpm Engine 2 Torque: 310 lb-ft @ 4400 rpm Engine 2 Fuel Type: Premium Unleaded Gasoline Engine 2 Fuel System: Sequential Fuel Injection (SFI) Engine 2 Engine Code: LD8 (4.6L V8) 🔧 Transmission Standard Transmission Type: 6-speed automatic overdrive Transmission Code: 6T70 (for V6), 6T80 (for V8) Optional Drivetrain Options: Rear-Wheel Drive (RWD), All-Wheel Drive (AWD) Features Shift Modes: Driver Shift Control (manual shifting capability) Fluid Specifications Fluid Type: Dexron VI Automatic Transmission Fluid 📐 Dimensions Exterior Wheelbase: 115.7 inches (2939 mm) Length: 196.2 inches (4983 mm) Width: 72.5 inches (1841 mm) Height: 58.3 inches (1481 mm) Weights Curb Weight V6 Rwd: 4005 lbs (1817 kg) Curb Weight V6 AWD: 4175 lbs (1894 kg) Curb Weight V8 AWD: 4310 lbs (1955 kg) Cargo Trunk Capacity: 15.3 cu ft (433 L) 🛡️ Safety Features Ratings NHTSA Frontal Driver: 5-Star NHTSA Frontal Passenger: 5-Star NHTSA Side Driver: 5-Star NHTSA Side Passenger: 5-Star NHTSA Rollover: 4-Star Active Features Stability Control: Standard StabiliTrak (Electronic Stability Control) Traction Control: Standard ABS: Standard Anti-lock Braking System Brake Assist: Standard Passive Features Airbags: Frontal airbags, front side-impact airbags, roof curtain airbags (for front and rear occupants). Seat Belts: 3-point seat belts with pretensioners and load limiters. Child Restraint: LATCH (Lower Anchors and Tethers for Children) system. Tire Pressure Monitoring: Standard Tire Pressure Monitoring System (TPMS). 💡 Technology Features Infotainment Navigation System: Available DVD-based navigation system with voice recognition. Audio System: Standard AM/FM stereo with CD player. Bose premium audio system optional. Display Interface: Central dashboard display for climate, audio, and navigation. Driver information center in instrument cluster. Driver Assistance Parking Assist: Available rear parking assist sensors. Adaptive Cruise Control: Available Adaptive Cruise Control (ACC). Connectivity Bluetooth: Available Bluetooth for hands-free calling (Uplevel models). Keyless Entry Start: Keyless Access...
Tire pressure monitoring, changing a flat tire, wheel torque specifications.
Warning Lights And Indicators:
Explanation of dashboard warning lights and their meaning.
Emergency Procedures:
Jump starting, procedures in case of accident, towing.
Keyless Access And Starting:
Operation of key fob, remote start (if equipped), keyless ignition.
Technical Depth
Depth:
Focuses on user operation, owner-level maintenance, and understanding of vehicle systems. Does not include detailed diagnostic procedures or internal component repair instructions, which are found in service manuals.
📊 Manual Specifications
File Format
File Type:
PDF
Searchability:
Typically text-searchable if created from a digital source.
Print Quality
Printability:
Designed to be printable on standard home/office printers.
Binding Type
Binding:
N/A (Electronic PDF)
Paper Type
Paper Quality:
N/A (Electronic PDF)
⚙️ Engine Specifications
Primary Engine
Engine 1 Description:
3.6L V6 DOHC VVT
Engine 1 Displacement:
3.6 liters (3564 cc)
Engine 1 Horsepower:
255 hp @ 6200 rpm
Engine 1 Torque:
250 lb-ft @ 3200 rpm
Engine 1 Bore X Stroke:
94.0 mm x 85.6 mm
Engine 1 Compression Ratio:
10.2:1
Engine 1 Fuel Type:
Premium Unleaded Gasoline
Engine 1 Fuel System:
Sequential Fuel Injection (SFI)
Engine 1 Engine Code:
LLT (Early version of the 3.6 V6)
Optional Engine
Engine 2 Description:
4.6L V8 DOHC Northstar
Engine 2 Displacement:
4.6 liters (4600 cc)
Engine 2 Horsepower:
320 hp @ 6400 rpm
Engine 2 Torque:
310 lb-ft @ 4400 rpm
Engine 2 Fuel Type:
Premium Unleaded Gasoline
Engine 2 Fuel System:
Sequential Fuel Injection (SFI)
Engine 2 Engine Code:
LD8 (4.6L V8)
🔧 Transmission
Standard
Transmission Type:
6-speed automatic overdrive
Transmission Code:
6T70 (for V6), 6T80 (for V8)
Optional
Drivetrain Options:
Rear-Wheel Drive (RWD), All-Wheel Drive (AWD)
Features
Shift Modes:
Driver Shift Control (manual shifting capability)
Fluid Specifications
Fluid Type:
Dexron VI Automatic Transmission Fluid
📐 Dimensions
Exterior
Wheelbase:
115.7 inches (2939 mm)
Length:
196.2 inches (4983 mm)
Width:
72.5 inches (1841 mm)
Height:
58.3 inches (1481 mm)
Weights
Curb Weight V6 Rwd:
4005 lbs (1817 kg)
Curb Weight V6 AWD:
4175 lbs (1894 kg)
Curb Weight V8 AWD:
4310 lbs (1955 kg)
Cargo
Trunk Capacity:
15.3 cu ft (433 L)
🛡️ Safety Features
Ratings
NHTSA Frontal Driver:
5-Star
NHTSA Frontal Passenger:
5-Star
NHTSA Side Driver:
5-Star
NHTSA Side Passenger:
5-Star
NHTSA Rollover:
4-Star
Active Features
Stability Control:
Standard StabiliTrak (Electronic Stability Control)
Traction Control:
Standard
ABS:
Standard Anti-lock Braking System
Brake Assist:
Standard
Passive Features
Airbags:
Frontal airbags, front side-impact airbags, roof curtain airbags (for front and rear occupants).
Seat Belts:
3-point seat belts with pretensioners and load limiters.
Child Restraint:
LATCH (Lower Anchors and Tethers for Children) system.
Tire Pressure Monitoring:
Standard Tire Pressure Monitoring System (TPMS).
💡 Technology Features
Infotainment
Navigation System:
Available DVD-based navigation system with voice recognition.
Audio System:
Standard AM/FM stereo with CD player. Bose premium audio system optional.
Display Interface:
Central dashboard display for climate, audio, and navigation. Driver information center in instrument cluster.
Driver Assistance
Parking Assist:
Available rear parking assist sensors.
Adaptive Cruise Control:
Available Adaptive Cruise Control (ACC).
Connectivity
Bluetooth:
Available Bluetooth for hands-free calling (Uplevel models).
Keyless Entry Start:
Keyless Access and Push-Button Start system standard on most trims.
Comfort Features
Heated Cooled Seats:
Available heated and ventilated front seats.
Memory Seats:
Available driver and passenger seat memory.
Ambient Lighting:
Soft interior ambient lighting for a premium feel.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 7,500 miles or 12 months, whichever comes first, using synthetic oil. Consult manual for specific oil type.
Tire Rotation Interval:
Every 7,500 miles.
Coolant Change Interval:
Initial change at 5 years/100,000 miles, then every 3 years/50,000 miles. Consult manual for specific coolant type.
Transmission Fluid Service:
Dexron VI fluid is typically a 'lifetime' fluid, but it is highly recommended to change it periodically (e.g., every 100,000 miles) for longevity, especially under severe driving conditions. Consult manual for specific recommendations.
Fluid Specifications
Engine Oil Type:
SAE 5W-30 Synthetic (API Certified)
Engine Oil Capacity:
5.5 US quarts (5.2 L) for 3.6L V6; 5.5 US quarts (5.2 L) for 4.6L V8.
Coolant Type:
GM P/N 12378390 (Dex-Cool) or equivalent orange coolant.
Brake Fluid Type:
DOT 3 (or DOT 4 for enhanced performance)
Known Issues
Ignition Coils:
Early models (including some 2007s) could experience premature ignition coil failure.
Water Pump:
Some 3.6L V6 engines can develop leaks or failures in the water pump assembly, often integrated into the timing chain cover.
Magnetic Ride Control:
While a great feature, the Magnetic Ride Control (MRC) shocks can be expensive to replace if they fail, and leaks are possible over time.
Dashboard And Trim:
Some reports of dashboard material degradation or interior trim wear.
📚 Vehicle History
Brand Heritage
Cadillac Legacy:
Cadillac has a long-standing reputation for luxury, comfort, and technological innovation in the American automotive industry since its founding in 1902.
Model Evolution
Sts Introduction:
The STS (Seville Touring Sedan) replaced the outgoing Seville. It was based on GM's 'Sigma' rear-wheel-drive platform, shared with the Cadillac CTS and SRX. The STS aimed to compete directly with established European luxury sedans.
2007 Model Year Updates:
For 2007, the STS received minor refinements. The primary focus of the manual would be on the features and systems introduced in the previous model years (2005-2006), with any updates for 2007 incorporated.
Production
Assembly Location:
Lansing Grand River Assembly, Lansing, Michigan, USA.
🏆 Awards & Recognition
Recognitions
Segment Performance:
The 2007 STS was generally well-received for its comfortable ride, potent V8 engine option, and luxurious interior appointments, although often ranked slightly behind its German competitors in outright driving dynamics and brand prestige.
Safety Awards:
Achieved good NHTSA crash test ratings, indicating strong structural integrity and effective airbag deployment for its time.
Choosing a selection results in a full page refresh.