Introduction
This manual provides detailed information regarding the operation, features, and maintenance of your 2000 Cadillac DeVille. Familiarizing yourself with this guide will help ensure safe and efficient use of your vehicle and prolong its lifespan. Please read all sections carefully before operating the vehicle.

Image: Front cover of the 2000 Cadillac DeVille Owner's Manual. The cover is black with a gold Cadillac emblem and text.
Initial Setup and Familiarization
Before driving, it is important to familiarize yourself with the vehicle's controls and settings. This section covers initial adjustments and basic functions.
Seat and Steering Wheel Adjustment
- Power Seats: Locate the controls on the side of the seat to adjust forward/backward, recline, and lumbar support.
- Steering Wheel: Use the lever located beneath the steering column to adjust tilt and telescope. Ensure the steering wheel is locked in place before driving.
Mirror Adjustment
- Side Mirrors: Use the control knob on the driver's door panel to select and adjust the left or right exterior mirror.
- Rearview Mirror: Manually adjust the interior rearview mirror for optimal visibility.

Image: Interior page of the owner's manual, likely detailing control layouts or initial setup procedures.
Operating Your Vehicle
This section provides instructions for starting, driving, and stopping your 2000 Cadillac DeVille, along with information on various vehicle systems.
Starting the Engine
- Ensure the transmission is in PARK (P) or NEUTRAL (N).
- Insert the key into the ignition and turn it to the START position.
- Release the key once the engine starts.
Transmission Operation
The automatic transmission features several modes. Use the gear selector to choose:
- P (Park): Locks the transmission and prevents the vehicle from moving. Always engage before exiting the vehicle.
- R (Reverse): For backing up.
- N (Neutral): Allows the wheels to turn freely.
- D (Drive): For normal forward driving.
- L (Low): Provides maximum engine braking for steep descents or heavy loads.
Climate Control System
Your DeVille is equipped with an automatic climate control system. Set your desired temperature, and the system will automatically adjust fan speed and airflow to maintain it. Manual controls are also available for fan speed, mode, and temperature override.
Maintenance and Care
Regular maintenance is crucial for the performance, safety, and longevity of your Cadillac DeVille. Adhere to the recommended service schedule.
Scheduled Maintenance
| Service Interval | Recommended Service |
|---|---|
| Every 3,000 miles or 3 months | Oil and filter change, tire rotation, fluid level check. |
| Every 15,000 miles or 12 months | Inspect brakes, suspension, exhaust system, and steering components. Replace cabin air filter. |
| Every 30,000 miles or 24 months | Replace engine air filter, spark plugs (if applicable), and transmission fluid. |
Note: Severe driving conditions may require more frequent service. Consult your authorized Cadillac dealer for specific recommendations.

Image: A page from the manual with a sticker for recording the first service due date, emphasizing maintenance.
Troubleshooting Common Issues
This section addresses common operational issues and provides basic troubleshooting steps. For complex problems, consult a qualified service technician.
Engine Will Not Start
- Check Battery: Ensure battery terminals are clean and tight. If the battery is dead, jump-start the vehicle according to instructions in this manual.
- Fuel Level: Verify there is sufficient fuel in the tank.
- Ignition System: If the engine cranks but does not start, there may be an issue with the ignition or fuel system.
Warning Lights Illuminated
Refer to the instrument cluster section of this manual for a detailed explanation of each warning light and recommended actions. Do not ignore warning lights, as they indicate potential issues that require attention.
Vehicle Specifications
Key technical specifications for the 2000 Cadillac DeVille are provided below. These values are approximate and may vary based on specific vehicle configuration.
- Engine Type: Northstar 4.6L V8
- Horsepower: Approximately 275-300 hp (depending on trim)
- Transmission: 4-speed automatic
- Fuel Tank Capacity: Approximately 18.5 gallons (70 liters)
- Tire Size: Refer to the tire placard on the driver's side door jamb for specific tire and pressure recommendations.
- Curb Weight: Approximately 3,900 - 4,000 lbs (1770 - 1815 kg)
- Overall Length: Approximately 207 inches (5258 mm)
- Overall Width: Approximately 74.5 inches (1892 mm)

Image: An interior page of the owner's manual, likely containing technical specifications or detailed diagrams.
Warranty Information
Your 2000 Cadillac DeVille was originally sold with a limited warranty covering various components. For detailed information on warranty coverage, terms, and conditions, please refer to the separate Warranty Information Booklet that accompanied your vehicle at the time of purchase. This manual does not contain the full warranty details.
Note: Warranty coverage may have expired due to vehicle age. Consult an authorized Cadillac dealer for current service options.
Customer Support
For further assistance, questions, or to schedule service, please contact an authorized Cadillac dealership. They have trained technicians and genuine parts to ensure proper vehicle maintenance and repair.
You can find your nearest authorized Cadillac dealer by visiting the official Cadillac website or by consulting your local directory.
Important: Always use genuine Cadillac parts or approved equivalents for repairs and maintenance to ensure optimal performance and safety.





