Warning Lights Guides
What every dashboard light means and what to do when they come on.
Check Engine Light: What It Means and What to Do
Check light on? ASE Master Tech explains check engine light meaning, common causes, steady vs flashing, costs, and what to do next.
ABS Light On: What It Means and What to Do
ABS light on your dash? A 25-year master tech explains what the anti-lock brake light means, common causes, and whether it is safe to drive.
Tire Pressure Light On? Here's What to Do
Tire pressure light on? A master tech explains what TPMS means, how to reset it, common causes, and when to worry. Step-by-step guide included.
Battery Light On: What It Means and What to Do
Battery light on your dashboard? ASE Master Tech explains what it means, common causes like alternator failure, whether you can drive, and repair costs.
Oil Pressure Light On: What It Means and What to Do
Oil pressure light on? ASE Master Tech explains why this is an emergency, common causes, whether to keep driving, and repair costs. Act fast.
Dashboard Lights Meaning — Every Symbol Explained
Dashboard lights meaning explained by an ASE Master Tech. Every car dashboard symbol — red, yellow, green — decoded in plain English. Know what to do.
Bad Alternator Symptoms — How to Tell Before You Get Stranded
Bad alternator symptoms explained by a 25-year master tech: dim lights, dead battery, whining noise, and more. How to check your alternator before you get stranded.
White Smoke from Exhaust — What It Means
White smoke from exhaust? ASE Master Tech explains normal vs. serious causes, head gasket signs, smoke color comparisons, and repair costs.
Brakes Squeaking — What It Means and When to Worry
Brakes squeaking? ASE Master Tech explains every cause of brake noise — wear indicators, glazing, moisture, cheap pads, and when grinding means danger.
Engine Temperature Warning Light — What It Means and What to Do
Engine temperature warning light on? ASE Master Tech explains what it means, whether to keep driving, and what causes overheating.
Airbag Light On — What the SRS Warning Means for Your Safety
Airbag light on your dashboard? ASE Master Tech explains SRS warning light causes, whether your airbags will deploy, and repair costs.
Red Brake Warning Light — What It Means and What to Do
Red brake warning light on your dash? Master tech explains what it means, common causes, and whether it is safe to drive. Not the ABS light.
Traction Control Light — What It Means When TCS or ESC Lights Up
Traction control light on or flashing? ASE Master Tech explains what TCS and ESC warning lights mean, common causes, and when to worry.
Transmission Warning Light — Causes, Symptoms, and What to Do
Transmission warning light on? ASE Master Tech explains transmission temp and malfunction lights, causes, costs, and whether to keep driving.
Power Steering Warning Light — Causes and What to Do
Power steering light on? ASE Master Tech explains EPS warning light causes, what happens if power steering fails, and repair costs.
How Far Can You Drive on Empty? Low Fuel Light Guide
Gas light on? Find out how far you can drive on empty by vehicle. Plus why running on empty damages your car and what to do right now.
How to Reset the Tire Pressure Light (TPMS Reset Guide)
TPMS light on after filling tires? Step-by-step guide to reset the tire pressure light on any vehicle. From an ASE Master Tech.
Key Fob Battery Replacement — How to Do It on Any Vehicle
Key fob battery dying? Step-by-step guide to replace your key fob battery. Plus what to do if your fob stops working completely.
Battery Charging Light — Why It Means More Than a Bad Battery
Red battery light on while driving? It means your charging system is failing, not your battery. ASE Master Tech explains causes and costs.
Cruise Control Light Not Working? What the Light Means
Cruise control light on or not working? ASE Master Tech explains adaptive vs standard cruise, common causes like brake switch and speed sensor failures, and repair costs.
Service Engine Soon vs Check Engine Light — What's the Difference?
Service Engine Soon vs Check Engine Light: ASE Master Tech explains the real difference, which brands use which light, when to worry, and whether you need an OBD-II scan.
4WD Light Stays On? What It Means and What to Do
4WD light stays on or flashing? ASE Master Tech covers transfer case issues, actuator problems, when it's normal vs a real problem, and repair cost ranges.
ESC Light On? Electronic Stability Control Explained
ESC light on or flashing? ASE Master Tech explains what Electronic Stability Control does, common causes like sensor issues and low brake fluid, and diagnostic costs.
Emissions System Light On? What to Know Before the Shop
Emissions system light on? ASE Master Tech covers catalytic converter, O2 sensors, EVAP, EGR, common codes like P0420, gas cap check, costs, and state inspection tips.
What Does the ABS Light Mean on Your Dashboard?
ABS light on? A 25-year master tech explains what causes the ABS warning light, wheel speed sensors, ABS module failures, and whether you can drive with the ABS light on.
What Does the Airbag Light Mean on Your Dashboard?
Airbag light on? A 25-year master tech explains the real causes — clock spring, seat sensors, crash sensors — whether your airbags will deploy, and what it costs to fix.