Understanding dashboard warning lights on your Opel Insignia is essential for maintaining vehicle safety and preventing costly repairs. These lights alert you to potential issues, from critical problems that demand immediate action to routine information about systems in use.
By recognizing and responding promptly, you can avoid breakdowns, ensure safe driving, and extend your car’s lifespan.
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Red Warning Lights (Stop Immediately)
Engine Oil Pressure
Low oil pressure can cause engine damage. Stop the car right away, check the oil level, and add more if needed; do not drive until fixed to prevent overheating or failure.
Brake System Alert
Indicates low brake fluid or a hydraulic issue. Pull over safely and call a mechanic immediately, as brakes may not work properly.
Battery Charge Warning
The battery is not charging correctly, possibly due to a faulty alternator. Stop driving and seek help to avoid losing power.
Coolant Level Warning
Coolant is low, risking engine overheating. Stop the vehicle, let it cool, and check coolant level; add if necessary or visit a service center.
Airbag System Fault
Airbag or belt tensioners may not deploy in a crash. Stop and have it inspected by a professional right away for safety.
Power Steering Fault
Steering assistance is failing, making the car hard to control. Pull over and contact a mechanic immediately.
Stop Engine Warning
A serious engine issue is detected. Stop driving at once and get professional help to avoid major damage.
Door Open Warning
A door is not closed properly, which could be dangerous at speed. Stop and secure all doors before continuing.
Bonnet Open Warning
The bonnet is not latched, risking it flying open while driving. Stop safely and close it securely.
Tailgate Open Warning
The boot or tailgate is ajar, potentially causing items to fall out. Pull over and close it properly.
Seatbelt Reminder (Driver)
Driver’s seatbelt is unbuckled. Stop and fasten it immediately for safety.
Transmission Fault
Automatic transmission has a problem, possibly overheating. Stop the car and call for service.
Air Suspension Fault
Air suspension system is malfunctioning, affecting ride height. Stop and seek repair to prevent instability.
Yellow/Amber Warning Lights (Action Required Soon)
Check Engine Light
Engine has a fault, like sensor issues or emissions problems. Check soon at a service center to avoid bigger issues.
ABS Warning
Anti-lock braking system is faulty, reducing brake effectiveness in emergencies. Get it checked promptly.
Tyre Pressure Monitoring
One or more tyres have low pressure. Inflate to recommended levels soon for safe handling and fuel efficiency.
Brake Pads Worn
Brake pads are thin and need replacement. Schedule a service soon to maintain stopping power.
Electronic Stability Control Fault
Stability system is not working, increasing skid risk. Have it inspected quickly.
Diesel Particulate Filter Warning
Filter is clogged with soot, affecting emissions. Drive at higher speeds or visit a mechanic for cleaning.
Low Washer Fluid
Washer fluid is low, impairing visibility. Refill the reservoir as soon as possible.
Speed Limiter Activated
Speed limiter is on, capping your speed. Turn it off if not needed, or check settings.
Descent Control System Fault
Hill descent control is malfunctioning. Avoid steep slopes and get it fixed soon.
Glow Plug Warning
Diesel engine glow plugs are faulty, making starting hard in cold weather. Service the system promptly.
Electronic Parking Brake Issue
Parking brake performance is reduced. Have it checked to ensure it holds the car securely.
Lane Departure Warning Off
Lane assist is deactivated. Reactivate if desired, or check for faults.
Bulb Failure
A light bulb is out, like headlights or signals. Replace it to stay visible and legal.
ESP Off
Electronic stability program is turned off. Turn it back on for better traction, or check for errors.
Green Warning Lights (Information Only)
Cruise Control Activated
Cruise control is on, maintaining set speed. No action needed unless you want to adjust or turn off.
Front Fog Lights On
Front fog lights are active for better visibility in fog. Turn off when conditions improve.
Sidelights On
Side or parking lights are illuminated. This is normal for low-light driving.
High Beam Assist
Automatic high beams are engaged, switching based on traffic. No action required.
Turn Signal Indicator
Direction indicators are flashing. This confirms they are working during turns.
Trailer Indicator
Trailer lights are connected and functioning. Ensure proper hookup for towing.
Eco Mode Activated
Fuel-saving eco mode is on, optimizing efficiency. Switch off for more power if needed.
Daytime Running Lights
Automatic daytime lights are on for visibility. They operate normally during the day.
Upshift Recommended
Suggests shifting to a higher gear for better fuel use. Follow for efficiency.
Fuel Economy Mode On
Economy driving mode is active, reducing fuel consumption. No immediate action.
Automatic Restart
Engine stop-start is ready to restart after idle. This saves fuel in traffic.
When looking at Opel, make sure to check out our guides on models like the Opel Vectra, Opel Corsa, Opel Astra, and Opel Agila. Understanding dashboard warning lights is essential. Our expert reviews break down what each light means, highlighting common alerts for these models and what they could signal about underlying issues, so you’re never left guessing behind the wheel.
