Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Electronic Level Control: Description
The Electronic Level Control is a leveling system that automatically adjusts rear height of vehicle with varying loads on rear suspension. System is activated when ignition switch is on and weight is added to or removed from rear of vehicle. System is made up of a compressor, air dryer, exhaust solenoid, compressor relay, height sensor and air adjustable shock absorbers. Eldorado, Seville, Toronado and Riviera have 2 compressor relays and an air pressure limiting valve that keeps shock air pressure below 90 psi.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.