Red dashboard lights
Red usually means a serious warning. Oil pressure, brake, battery charging, and coolant temperature warnings should be treated as urgent.
50 symbols
Color
Shape on your dash
System
How to read warning lights
Dashboard light colors usually tell you how urgent the problem is
Most dashboard warning symbols use color to show urgency. The exact meaning can vary by vehicle, but color is a useful first clue when you need to decide whether to stop, drive carefully, or simply note that a feature is switched on.
Amber or yellow dashboard lights
Amber means the vehicle needs attention soon. Common examples include check engine, ABS, tyre pressure, airbag, and traction control warnings.
Green dashboard lights
Green usually means a system is active, such as turn signals, low beam headlights, cruise control, or hill descent control.
Blue dashboard lights
Blue is most often used for high beam headlights. It is normally informational, but you should dip the beams for oncoming traffic.
Detailed guides
Start with the most common warning lights
These dashboard warning lights have the clearest search intent and the highest safety value. Each guide explains meaning, urgency, common causes, and what to check first.
By situation
What to do in common driving scenarios
Sometimes the question is not just one symbol, but a situation — a red light at night, two warnings together, or TPMS after a cold morning. These scenario guides help you decide your next step.
What most guides skip
Dashboard warning light topics beyond basic symbol lists
Top search results explain individual lights well, but often miss combinations, flashing patterns, free diagnosis, and seasonal triggers. Each paragraph below states the takeaway first, then the detail you can verify.
Multiple warning lights at once
When two or more dashboard lights appear together, check red oil, brake, and coolant warnings before any amber code scan. A single low-voltage event can trigger 2–4 lights at once — battery + electric power steering + ABS is a common cluster on many 2010+ vehicles, and NHTSA crash data consistently ranks brake and steering failures among the most safety-critical vehicle faults.
Flashing vs steady vs startup blink
A flashing check engine light is more urgent than a steady one and should not be driven under heavy load until scanned. Many OEM manuals treat a flashing MIL as an active misfire that can overheat the catalytic converter; separately, a TPMS icon that flashes for 60–90 seconds at startup then stays solid often signals a sensor or system fault, not just low tire pressure.
Free or low-cost next step
You can often read check-engine codes for free at AutoZone and O'Reilly Auto Parts stores in the US without buying parts. A basic OBD-II reader costs about $20–$40 and reads standardized P-codes — P0420 (catalyst efficiency), P0171 (system too lean), and P0300 (random/multiple misfire) are among the most common stored codes on gasoline cars.
Why the light appeared today
Seasonal and maintenance events trigger many false alarms that top SERP guides skip. Tire pressure drops roughly 1 PSI for every 10°F (about 5.5 kPa per 5.5°C) of temperature fall, so a TPMS light after the first cold night is common without a puncture; a loose fuel cap can set a check-engine code that clears after 3–10 drive cycles (often 50–100 miles / 80–160 km).
Identify by shape before brand
Match color plus icon shape before guessing the manufacturer — a horseshoe or flat tire with an exclamation mark is TPMS on most cars, a red oil-can symbol means oil pressure (not the yellow low-oil-level indicator on some VW/Audi models), and a circle with an exclamation mark inside parentheses is the brake system warning on many European and US vehicles.
Step-by-step
Free or low-cost first response when a warning light appears
Use this order before paying for parts or guessing how far you can drive. It matches the HowTo structured data on this page for search engines and AI answers.
- Note the light color (red, amber, green, or blue) and whether it is steady, flashing, or blinks only at startup.
- Match the icon shape using the Symbol Finder — horseshoe for TPMS, oil can for oil pressure, engine outline for check engine.
- For a steady check engine or amber warning with no red lights, visit AutoZone or O'Reilly in the US for a free OBD-II code read, or use a $20–$40 reader at home.
- Write down every P-code shown (for example P0300, P0420, P0171) and search the code with your make, model, and year.
- If any red oil, brake, coolant, or battery warning appears, or the car shakes, overheats, or the brake pedal feels soft, stop driving and arrange inspection or towing instead of continuing.
Most urgent symbols
Stop safely for these warning lights
Some symbols can indicate damage or unsafe driving conditions. If a red oil pressure light, brake warning, coolant temperature light, or battery charging light appears while driving, pull over when safe and check the vehicle before continuing.
Oil pressure: stop the engine and check oil level. Do not keep driving if the warning remains.
Brake warning: check the parking brake and brake fluid. Stop if the pedal feels soft or braking feels abnormal.
Coolant temperature: let the engine cool before opening the coolant system or continuing.
Battery warning: reduce electrical load and get the charging system checked before the car loses power.
Can I keep driving?
Use the warning light to decide your next move
A dashboard light does not always mean the car must stop immediately. The safest decision depends on the symbol, the color, whether the light is flashing, and whether the car feels, sounds, or smells unusual.
Red oil pressure, red brake warning, coolant temperature, heavy smoke, burning smell, or loss of braking.
ABS, traction control, airbag, power steering, or steady check engine light when the car still drives normally.
Tyre/tire pressure, washer fluid, service due, key battery, DPF, AdBlue/DEF, or other amber maintenance warnings.
Green or blue indicators such as turn signal, low beam, high beam, fog light, cruise control, or hill descent control.
Warning light combinations
When two dashboard lights appear together
Multiple lights can point to a shared system fault. These combinations are common starting points, not a diagnosis, but they help you decide how urgently to inspect the car.
Check engine + traction control
The engine fault may cause traction or stability control to be limited. Scan for engine codes first.
ABS + brake warning
This can be more serious than ABS alone. Check brake fluid and stop if braking feels weak or the pedal feels soft.
Battery + power steering
Low system voltage can affect electric steering. The alternator, belt, or battery may need urgent attention.
Oil pressure + engine noise
Stop the engine. Continuing to drive with low oil pressure and engine noise can cause severe engine damage.
Coolant temperature + steam or sweet smell
Pull over safely and let the engine cool. Do not open a hot coolant cap.
Tyre pressure + steering pull
One tyre may be very low or damaged. Slow down, avoid sharp steering, and inspect the tyres as soon as safe.
Common dashboard symbols
Popular warning lights covered in this guide
These are the dashboard symbols drivers most often need to identify quickly. Use the finder above to filter by color or vehicle system, then open a symbol for the first checks and driving advice.
Check Engine Light: engine or emissions fault; scan diagnostic trouble codes if it stays on.
Oil Pressure Warning: low oil pressure risk; stop safely and check oil level.
Battery Warning Light: charging system fault; the alternator or battery may need attention.
Brake Warning Light: parking brake, low brake fluid, or brake system fault.
ABS Warning Light: anti-lock braking may be unavailable, though normal braking may remain.
Tire Pressure Warning: also called TPMS or tyre pressure light; check all tyre/tire pressures.
Airbag Warning Light: SRS or restraint system fault; airbag protection may be reduced.
Coolant Temperature Warning: engine overheating risk; stop and let the engine cool.
Low Fuel Warning: refuel soon to avoid running the tank dry.
Seat Belt Reminder: a seat belt is not fastened or a seat sensor detects weight.
Door, Hood, or Trunk Open: close the door, bonnet/hood, boot/trunk before driving.
Washer Fluid Low: refill windscreen or windshield washer fluid.
High Beam, Low Beam, Fog Light, and Turn Signal Indicators: lighting indicators usually show a feature is active.
Power Steering Warning: steering assistance may be reduced; drive carefully and inspect the system.
By car system
Dashboard symbols grouped by vehicle system
If you know which part of the car the warning might relate to, use these system groups to narrow it down. Engine, brake, tyre, battery, light, safety, diesel, and EV warnings often have different urgency levels.
Engine, oil, and temperature
Check engine, oil pressure, low oil level, coolant temperature, start-stop, and engine management lights.
Brakes and ABS
Brake warning, parking brake, low brake fluid, ABS, and brake system faults need careful attention.
Tyres, steering, and stability
Tyre pressure, traction control, stability control, power steering, and car with squiggly lines symbols.
Battery and electrical
Battery warning, charging system, alternator, key fob battery, immobilizer, and low voltage related lights.
Lights and visibility
High beam, low beam, fog lights, turn signals, hazard lights, washer fluid, and windscreen/windshield warnings.
Safety and driver assist
Airbag, seat belt, lane departure, blind spot monitoring, adaptive cruise, collision warning, and parking sensors.
Diesel and emissions
Glow plug, DPF, AdBlue/DEF, catalytic converter, emissions system, and water in fuel warnings.
EV and hybrid
EV battery low, hybrid system warning, charge port open, regenerative braking limited, and electric drive faults.
Search terms people use
Common names for the same dashboard symbols
Drivers often search by description because they do not know the official name of the symbol. This guide includes common US and UK wording such as tire and tyre, hood and bonnet, trunk and boot, windshield and windscreen, gas and petrol.
red oil can lightyellow engine lightcar with squiggly lineshorseshoe exclamation markbattery symbol on dashboardengine management lighttyre pressure warningbonnet open lightboot open warningblue headlight symbol
Editorial note
How this guide should be used
This site is a general reference for common car dashboard symbols and warning light meanings. It is designed to help drivers identify a symbol quickly, understand urgency, and decide what to check first.
Not brand-specific: symbols, colors, and wording can vary by make, model, year, and market.
Illustrations: the icons are simplified reference drawings, not copied OEM symbols.
Safety: red warnings and unusual vehicle behavior should be treated conservatively.
Final source: your vehicle owner's manual and a qualified mechanic are the best sources for exact diagnosis.
Quick answers
Car dashboard symbols FAQ
What are rear vehicle warning lights?
Rear vehicle warning lights are dashboard symbols related to the back of the car — not one single icon. Common examples include the rear fog lamp (amber lamp with lines pointing left), reverse or backup camera fault warnings, blind-spot or rear cross-traffic alerts on newer vehicles, and parking-aid indicators. Match the exact shape and color on your dash, then use the Symbol Finder on this page to open the matching guide.
What do van dashboard symbols mean?
Van dashboard symbols use the same core warning icons as cars and SUVs: red oil can for oil pressure, horseshoe for tire pressure (TPMS), engine outline for check engine, thermometer for coolant temperature, and battery outline for charging problems. Commercial vans may also show diesel particulate filter (DPF), AdBlue, or load/door warnings depending on model. Start with color and shape, then confirm in your owner's manual because exact icons vary by make and year.
How do I identify which dashboard symbol is lit if I don't know the name?
Start with color, then shape: red oil can = oil pressure, horseshoe/exclamation = TPMS, engine block outline = check engine, thermometer in waves = coolant temperature, battery outline = charging system, circle with exclamation in parentheses = brake system. Use the Symbol Finder on this page to filter by color and system, then open the matching guide.
The warning light is on but my car drives normally — how far can I safely drive?
Do not continue with red oil pressure, red brake, or red coolant temperature warnings. For a steady amber check engine light with no shaking or smell, many drivers reach a shop within 50–100 miles, but repair should not wait weeks. A flashing check engine light, soft brake pedal, or multiple red lights mean stop or tow rather than guessing a mileage limit.
Where can I get check engine codes read for free, and what do they mean?
In the US, AutoZone and O'Reilly Auto Parts commonly offer free OBD-II code reads. Write down the P-code (for example P0301 = cylinder 1 misfire, P0420 = catalyst efficiency, P0171 = lean fuel mixture). Codes point to a system and circuit — they are a starting point, not a final diagnosis without testing.
I checked oil, tire pressure, and the fuel cap but the light is still on — why?
The fault may be sensor-related, not a visible leak or flat tire. TPMS sensors have batteries that last roughly 5–10 years; a check-engine light can stay on until the computer completes several drive cycles after a fuel-cap fix; ABS or airbag lights often need a scan and reset after battery disconnect or brake work. If basics look fine and the light persists, scan codes or see a mechanic.
Two dashboard lights are on together — one problem or two?
Often one root cause: low voltage can light battery + power steering + ABS together; an engine fault can trigger check engine + traction control; low brake fluid can trigger both brake and ABS warnings. Treat the most severe color first (red before amber), then scan codes before replacing parts for each light separately.
What do car dashboard symbols mean?
Car dashboard symbols are warning lights and indicator lights that tell you about the condition of your vehicle. Red lights usually mean stop safely, amber or yellow lights mean inspect soon, and green or blue lights usually mean a feature is active.
Can I keep driving with a dashboard warning light on?
It depends on the symbol and color. Red warning lights such as oil pressure, brake, or coolant temperature should be treated as urgent. Amber lights often mean you can drive cautiously but should inspect the vehicle soon.
What does a red dashboard light mean?
A red dashboard light usually means a serious warning or unsafe condition. Stop safely when possible, check the owner's manual, and avoid continuing if the warning relates to oil pressure, brakes, battery charging, or engine temperature.
What does an amber or yellow dashboard light mean?
An amber or yellow dashboard light usually means a system needs attention soon. Examples include check engine, ABS, tyre or tire pressure, airbag, traction control, and diesel particulate filter warnings.
Are dashboard symbols the same on every car?
No. Many warning light symbols are similar across vehicles, but exact icons, colors, and meanings can vary by make, model, year, and market. Always confirm with the owner's manual for your specific vehicle.
Dashboard symbols vary by make and model. This guide explains common warning light meanings and first checks, but it is not a substitute for your owner's manual or a qualified mechanic's diagnosis.