1. Don't Panic (But Do Be Cautious): While the car is still drivable, the ABS and traction control are disabled. This means you won't have the assistance of these systems in emergency braking or maintaining traction on slippery surfaces. Drive carefully and avoid harsh braking or acceleration.
2. Check the Obvious:
* Low Brake Fluid: This is the easiest and cheapest thing to check. Open the hood, locate the brake fluid reservoir (usually a clear plastic container), and check the fluid level. If it's low, you have a leak somewhere in your brake system – a serious issue requiring immediate professional attention. Do not drive the car if the brake fluid is low.
* Loose Wheel Speed Sensors: These sensors are located near each wheel and monitor wheel speed for the ABS system. Sometimes, they can become loose or damaged. A visual inspection might reveal a damaged wire or loose connection. However, reaching these sensors can be difficult.
3. Diagnostic Trouble Codes (DTCs):
* OBD-II Scanner: This is the most crucial step. You'll need an OBD-II scanner (available at most auto parts stores) to read the diagnostic trouble codes stored by the car's computer. These codes pinpoint the specific problem. Without these codes, fixing the issue is largely guesswork.
* Code Interpretation: Once you have the codes, you can look them up online (many free resources are available) or consult a repair manual specific to your 2002 Lincoln LS. The codes will tell you which sensor, module, or component is malfunctioning.
4. Possible Causes (based on common issues):
* Wheel Speed Sensor: A faulty sensor is a very common cause. They can fail due to age, damage, or corrosion.
* ABS Module: The ABS control module itself might be faulty. This is a more expensive repair, potentially requiring replacement.
* Wiring Issues: Damaged or corroded wiring within the ABS system can also trigger these lights.
* Brake System Leaks: As mentioned earlier, a low brake fluid level indicates a leak, which needs immediate professional attention.
5. Repair Options:
* DIY Repair (Advanced): If you're mechanically inclined and have the tools and knowledge, you might be able to replace a wheel speed sensor yourself. However, replacing the ABS module is a more complex task and best left to a professional.
* Professional Mechanic: This is the safest and most reliable option, especially if you're not comfortable working on your car's braking system. A mechanic can accurately diagnose the problem using a professional scanner and perform the necessary repairs.
In summary: Get an OBD-II scanner and read the DTCs. This is the only way to know for sure what the problem is. Then, decide whether you can handle the repair yourself or if you need to take your car to a mechanic. Ignoring the problem could lead to more serious issues and safety concerns. Brake system problems should never be taken lightly.
