Understanding dashboard warning lights in your Vauxhall Insignia is vital for safety and vehicle longevity. These indicators follow a color-coded system: red signals critical issues requiring immediate action, yellow/amber warns of needed attention, and green confirms systems are active. Below is a comprehensive breakdown:
Quick Navigation
Red Warning Lights (Stop Immediately)
Brake System Alert
Low brake fluid or hydraulic failure. Park safely and contact a mechanic immediately.
Engine Oil Pressure Warning
Low oil pressure or overheating. Stop driving, check oil levels, and seek professional assistance.
Airbag & Belt Tensioners Fault
Malfunction in airbag or seatbelt systems. Urgently inspect the system to ensure passenger safety.
Engine Coolant Temperature Alert
Engine overheating. Turn off the engine, allow cooling, and check coolant levels.
Seat Belt Reminder
Unbuckled driver or passenger seatbelt. Secure belts immediately to reduce injury risk.
Door/Bonnet/Tailgate Open
Open door, bonnet, or boot detected. Stop and ensure all closures are secure.
Charging System Fault
Battery or alternator failure. Avoid driving to prevent stalling.
Immobiliser System Fault
Key recognition issue. Verify key proximity or contact a dealer for assistance.
Stop Engine Warning
Critical engine malfunction. Turn off the engine immediately to prevent damage.
Manual Parking Brake Alert
Parking brake engaged or low clutch fluid. Release brake or top up fluid.
Anti-Theft Alarm Triggered
Security system activated. Check for unauthorized access.
Engine/Transmission Electronics Fault
Potential engine damage. Limit driving and visit a garage promptly.
Power Steering Failure
Loss of steering assist. Stop driving to avoid accidents.
Yellow/Amber Warning Lights (Action Required Soon)
ABS Warning
Anti-lock braking system fault. Brakes remain functional, but schedule a system check.
Brake Pads Worn
Thin brake pads detected. Replace pads promptly to maintain braking efficiency.
Electronic Stability Control (ESC) Fault
Traction control issue. Drive cautiously and repair soon.
Diesel Particulate Filter (DPF) Full
Clogged filter in diesel models. Regenerate or clean the filter to restore function.
Low Washer Fluid
Windshield washer reservoir low. Refill soon for clear visibility.
Speed Limiter Active
Speed restriction engaged. Deactivate via controls if needed.
Ultrasonic Parking Assist Fault
Sensor obstruction or failure. Clean sensors or visit a garage.
Unintended Lane Change Alert
Vehicle drifting lanes. Adjust steering and check alignment.
Emission Control System Fault
Exceeding emission limits. Inspect engine or catalytic converter.
Fuel Filter Warning
Contaminated diesel fuel. Drain water from the filter to prevent engine damage.
Tyre Pressure Loss
Low tyre pressure. Inflate to the recommended PSI.
Adaptive Lighting Fault
Headlight alignment issue. Adjust or repair headlights.
Preheating Activated (Diesel)
Glow plugs warming up. Wait before starting the engine.
Green Warning Lights (Information Only)
Eco Mode Active
Fuel-efficient driving enabled. No action required.
Cruise Control Engaged
Speed maintained automatically. Deactivate via stalk or brake.
Winter Mode On
Optimized traction for snow/ice. Deactivate when conditions improve.
Sport Mode Enabled
Enhanced throttle response. Switch modes via drive selector.
Fog Lights On
Front/rear fog lights activated. Turn off when visibility improves.
Automatic Headlights
Lights adjust to ambient light. Manual override available.
Hill Start Assist Active
Prevents rollback on inclines. Releases when accelerator is pressed.
Distance Indicator
Safe following distance maintained. Adjust via cruise settings.
Hybrid Ready
Electric system primed. Start driving without ignition.
This guide prioritizes clarity and safety, using direct language for quick comprehension. Always refer to your owner’s manual for model-specific details.
