Understanding the Volvo XC40’s dashboard warning lights is vital for driver safety and vehicle health. These indicators provide instant alerts about critical faults, system issues, or active functions, enabling timely action to prevent accidents, breakdowns, or costly repairs.
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Red Warning Lights (Stop Immediately)
Brake System Alert
Indicates brake fluid loss or hydraulic failure. Park immediately and contact a Volvo service center.
Engine Oil Pressure Low
Low oil pressure detected. Stop the engine, check oil level, and seek help if normal.
Engine Overheating
Coolant temperature exceeds safe limits. Turn off the engine and let it cool before inspection.
Parking Brake Malfunction
Flashing light signals a parking brake fault. Read the driver display message and schedule repairs.
Electrical System Fault
Critical charging system issue. Avoid driving and contact a Volvo workshop.
Collision Risk Warning
Flashes when a potential collision is detected. Adjust driving immediately.
Seatbelt Not Fastened
Alerts unrestrained occupants. Secure seatbelts before driving.
Airbag System Error
Fault in airbag or safety restraint systems. Requires immediate professional diagnosis.
ABS Fault
Anti-lock braking system malfunction. Drive cautiously and prioritize brake inspection.
Power Steering Failure
Loss of power steering assistance. Restart the engine; if persistent, seek assistance.
Transmission Overheat
Excessive transmission temperature. Pull over, let the system cool, and check fluid levels.
Coolant Level Low
Insufficient coolant. Refill and inspect for leaks or engine damage.
DPF Full (Critical)
Severely blocked diesel particulate filter. Schedule forced regeneration or cleaning.
Yellow/Amber Warning Lights (Action Required Soon)
Headlight System Fault
Bulb failure or electrical issue. Replace bulbs or inspect wiring soon.
Emissions Control Issue
Exhaust system fault. Schedule diagnostics to prevent performance loss.
Tire Pressure Low
Under-inflated tires. Adjust pressure to recommended levels.
Service Reminder
Routine maintenance due. Reset the reminder after servicing.
Adaptive Headlight Fault
Automatic beam adjustment malfunction. Use manual headlight control.
Traction Control Off
System manually deactivated. Reactivate for stability on slippery surfaces.
Lane Keeping Aid Off
Disabled or undetected lane markers. Clean sensors or enable manually.
ESP Fault
Electronic Stability Program issue. Avoid sharp maneuvers.
Glow Plug Active
Glow plugs heating (diesel engines). Wait before starting.
Door Ajar
Cab or trailer door not fully closed. Secure doors to prevent accidents.
Rear Fog Light On
Rear fog lights active. Turn off when visibility improves.
Information Message
Generic alert paired with other warnings. Check driver display for details.
Bulb Failure
Exterior light malfunction. Replace the faulty bulb promptly.
Fuel Cap Loose
Loose or missing fuel cap. Tighten or replace to prevent evaporation.
Green Warning Lights (Information Only)
Cruise Control Active
Speed set and maintained. Deactivate via brake pedal or controls.
Parking Lights On
Parking lights illuminated. Turn off when not needed.
High Beams On
High beam headlights active. Switch to low beams in traffic.
Front Fog Lights
Front fog lights enabled. Use only in low-visibility conditions.
Preconditioning Active
Cab heating/cooling system pre-setting temperature. Automatically turns off.
Rain Sensor Active
Automatic windshield wipers enabled. Adjust sensitivity if needed.
Eco Mode
Fuel-efficient driving mode activated. Acceleration may feel less responsive.
Turn Signal Active
Indicator blinking for lane changes or turns. Check for rapid blinking (bulb failure).
Auto Hold Active
Vehicle remains stationary on slopes without brake pedal input.
Start/Stop Active
Engine automatically stops at idle to save fuel.
Gear Shift Indicator
Suggests optimal gear for fuel efficiency. Follow prompts if desired.
