Dashboard lights in your Chevrolet Avalanche are critical alerts for safety and maintenance. Recognizing these indicators helps prevent breakdowns, costly repairs, and ensures optimal performance.
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Red Warning Lights (Stop Immediately)
Engine Oil Pressure
Low oil pressure or pump failure. Stop driving immediately, check oil levels, and seek service to prevent engine damage.
Brake System Alert
Low brake fluid or hydraulic failure. Park safely and contact a mechanic to restore braking function.
Battery Charge Warning
Charging system malfunction (faulty alternator/battery). Turn off electronics and visit a service center promptly.
SRS Airbag Warning
Airbag system fault. Immediate inspection required to ensure crash protection systems function properly.
Coolant Temperature Warning
Engine overheating. Pull over, turn off the engine, and let it cool before checking coolant levels.
ABS Warning
Anti-lock braking system failure. Brakes work, but ABS may fail during sudden stops; schedule service soon.
Electric Power Steering (EPS)
Steering assistance failure. Stop driving immediately; manual steering increases accident risk.
Transmission Overheat
Excessive transmission temperature. Stop driving to prevent gearbox damage; check fluid levels.
Glow Plug Indicator (Diesel)
Pre-heating system issue in diesel engines. Allow extra warm-up time; if persistent, seek service.
Fuel Cap Loose
Loose or damaged fuel cap. Tighten or replace to prevent fuel evaporation and emissions leaks.
Door Ajar Warning
Door/trunk not fully closed. Check all doors to prevent accidents or interior light drain.
Security System Alert
Anti-theft system malfunction. Restart the vehicle; if the light persists, consult a technician.
Low Washer Fluid
Windshield washer fluid low. Refill soon to maintain visibility in adverse weather.
Parking Brake Engaged
Parking brake is active. Release it before driving; if stuck, seek service.
EV Mode Unavailable (Hybrid)
Hybrid battery charge too low. The system switches to gas mode; recharge or drive to restore.
Yellow/Amber Warning Lights (Action Required Soon)
Check Engine Light
Engine or emissions system fault. Diagnose via OBD-II scanner; common causes include sensor issues.
Tire Pressure Warning
Low tire pressure detected. Inflate tires to recommended PSI; check for punctures if light remains.
Maintenance Required
Routine service due (oil change, filter replacement). Schedule an appointment within 500 miles.
Traction Control Off
TRAC system manually disabled. Reactivate via dashboard button for slippery-road safety.
VSC Off
Vehicle Stability Control disabled. Turn it back on unless intentionally off-roading or stuck.
DPF Warning (Diesel)
Diesel Particulate Filter clogged. Drive at highway speeds to burn off residue or visit a mechanic.
Low Fuel Warning
Fuel level critically low. Refuel immediately to avoid stranding or fuel pump damage.
Key Detection Alert
Smart Key not detected. Ensure the key is inside the vehicle or replace its battery.
Lane Departure Alert
Unintentional lane drift detected. Check road alignment or deactivate the system if desired.
Headlight Malfunction
Bulb outage or wiring issue. Replace faulty bulbs or inspect electrical connections promptly.
Transmission Alert
Shift system error. Avoid aggressive driving; have transmission fluid and sensors checked.
Master Warning Light
Generic system malfunction (e.g., low washer fluid, electrical issues). Check dashboard messages for details.
AEB Warning
Automatic Emergency Braking system fault. Schedule service to restore collision avoidance features.
4WD Lock Engaged
All-wheel-drive mode active. Use for off-road traction; deactivate on normal roads.
Green Warning Lights (Information Only)
Cruise Control Active
Cruise control engaged. Speed is maintained automatically; tap the brake to deactivate.
Turn Signal Indicators
Turn signals or hazard lights in use. Manually cancel after completing turns or lane changes.
High Beam Active
High-beam headlights on. Switch to low beams when approaching traffic to avoid blinding others.
Eco Driving Assist
Fuel-efficient driving detected. Accelerate smoothly and maintain steady speeds to maximize savings.
Shift Position Indicator
Current gear displayed (P/R/N/D). Ensure correct gear selection before accelerating.
Parking Sensor Active
Proximity sensors detecting obstacles. Audible alerts increase as objects get closer.
Fog Light Active
Front/rear fog lights in use. Ideal for low-visibility conditions; disable in clear weather.
Daytime Running Lights
DRL bulbs active. Automatically turns on headlights at reduced brightness for daytime visibility.
Exterior Lights On
Headlights or taillights active. Turn off when parked to prevent battery drain.
Auto Hold Active
Vehicle holds brake pressure at stops. Release by pressing the accelerator pedal.
When looking at Chevrolet, make sure to check out our guides on models like the Chevrolet Orlando, Chevrolet Express, Chevrolet Traverse, and Chevrolet Trax. 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.
This guide ensures Avalanche drivers can respond appropriately to every dashboard alert, enhancing safety and vehicle care.
