Understanding dashboard warning lights in your BMW X4 is essential for safe driving, as they alert you to potential issues that could lead to breakdowns or accidents.
By recognizing these symbols early, you can take prompt action to maintain your vehicle’s performance and prevent costly repairs. Always consult your owner’s manual or a professional mechanic for specific guidance.
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Red Warning Lights (Stop Immediately)
Engine Oil Pressure
Low oil pressure can cause engine damage from lack of lubrication. Stop the car right away, check the oil level, and add oil if needed; do not drive until fixed to avoid serious harm.
Brake System Alert
Indicates low brake fluid or a failure in the braking system. Pull over safely, inspect fluid levels, and seek mechanic help immediately to ensure safe stopping.
Engine Coolant Temperature
The engine is overheating, possibly due to low coolant or a leak. Stop the vehicle, let it cool, check coolant levels, and avoid driving until resolved.
Battery Charging System
The battery isn’t charging properly, which could lead to a sudden loss of power. Stop driving, check connections, and get it serviced quickly to prevent stranding.
Airbag System
A fault in the airbag setup means it might not deploy in a crash. Stop and have it checked by a professional right away for safety.
Steering Lock
Anti-theft system failure that could lock the steering while driving. Pull over immediately and call for assistance to avoid losing control.
Transmission Fault
Signals a problem in the gearbox that could cause unsafe shifting. Stop the car and have it towed to a service center for repair.
Power Steering Failure
Loss of power assistance makes steering hard and dangerous. Stop safely and get professional help before driving again.
Seatbelt Reminder
Alerts if seatbelts are not fastened, risking injury in a crash. Stop and ensure all passengers buckle up before proceeding.
Door Ajar
A door is not fully closed, which could open while driving. Pull over, check all doors, and secure them properly.
Engine Overheat
High engine temperature from cooling issues. Stop immediately, turn off the engine, and check for leaks or low fluid.
Brake Fluid Low
Brake fluid is insufficient, affecting stopping power. Stop and top up fluid or seek immediate repair.
Air Suspension Fault
Suspension system failure that impacts handling. Stop driving and have it inspected promptly.
Yellow/Amber Warning Lights (Action Required Soon)
Anti-lock Brake System (ABS)
Brakes may lock up during hard stops due to ABS failure. Drive carefully and visit a service center soon for repair.
Check Engine
Engine or emissions issue detected, like a sensor fault. Get it diagnosed soon to avoid further damage or poor performance.
Tyre Pressure Monitoring
One or more tires have low pressure, risking blowouts. Check and inflate tires promptly, then reset the system.
Diesel Particulate Filter (DPF)
Filter is clogged with soot, affecting exhaust. Drive at higher speeds if safe, or take to a mechanic for cleaning.
Glow Plug
Diesel engine warm-up system fault, causing hard starts. Have plugs checked and replaced if needed soon.
Dynamic Stability Control (DSC)
Traction control issue, reducing grip on slippery roads. Drive cautiously and get it serviced to restore stability.
Coolant Level Low
Coolant is insufficient, which could lead to overheating. Top up coolant and check for leaks at your next stop.
Brake Pad Wear
Brake pads are worn thin, reducing stopping efficiency. Schedule replacement soon to maintain safety.
Transmission Warning
Minor gearbox issue that needs attention. Avoid heavy driving and visit a service center.
Diesel Exhaust Fluid (DEF) Low
Fluid for emissions control is running out. Refill soon to prevent engine restrictions.
Bulb Out
An exterior light is not working, affecting visibility. Replace the bulb as soon as possible.
Fuel Cap Loose
Cap is not sealed, causing fuel system leaks. Tighten it securely and check if the light clears.
Lane Departure Warning
System detecting unintended lane changes is faulty. Have it checked to ensure safe highway driving.
Service Vehicle Soon
General reminder for upcoming maintenance. Schedule a service appointment promptly.
Green Indicator Lights (Information Only)
Turn Signal
Shows directional signals are active for turning or lane changes. No action needed; it flashes during use.
High Beams
Headlights are on high beam setting for better night visibility. Adjust as needed to avoid blinding others.
Front Fog Lamps
Fog lights are on to improve visibility in poor weather. Turn off when conditions clear.
Rear Fog Lamps
Rear fog lights activated for safety in fog. Use only when necessary to prevent confusion.
Daytime Running Lights
Automatic lights for daytime visibility are on. No action required; they enhance safety.
Cruise Control Active
Speed control system is engaged. Monitor and adjust as traffic changes.
Eco Mode
Fuel-saving mode is enabled, optimizing efficiency. Switch off if more power is needed.
Automatic Headlamp Dimmer
System auto-adjusts headlights for oncoming traffic. It’s working normally.
Parking Brake Engaged
Handbrake is on, preventing vehicle movement. Release before driving.
Start/Stop System
Engine auto-stop for fuel savings is active. It restarts when you press the accelerator.
Tail Light Indicator
Rear lights are functioning. No issue; just confirmation they’re on.
Glow Plug Preheating
Diesel engine is warming up. Wait for it to turn off before starting.
Information Light
General system status update. Check the display for details if shown.
When looking at BMW, make sure to check out our guides on models like the BMW X7, BMW X2, BMW X5, and BMW X6. 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.
