Dashboard guide
Car Warning Lights Guide
Understand common car warning lights, possible causes, safety guidance, and likely repair cost ranges.
Meaning Severity Repair ranges
Find a warning light
Common warning lights
Warning Light Repair Cost Guides
Open each guide to compare severity, causes, diagnostics, and related repair cost pages.
Check Engine Light
VariableThe check engine light means the vehicle detected an emissions, fuel, ignition, or sensor fault.
Repair cost range
$90-$2,900
Traction Control Light
MediumThe traction control light appears when wheel-speed, stability, or traction systems need attention.
Repair cost range
$120-$1,100
FAQ
Warning light questions
It depends on the warning. Flashing, brake, charging, overheating, or traction safety issues should be inspected quickly.
Many shops charge a diagnostic fee before parts and labor. The full cost depends on the confirmed cause.
No. Some lights come from low-cost sensors or resets, while others point to major parts.
Resetting without fixing the cause can hide useful information and may not solve the issue.
Often yes. Many warning lights are paired with stored diagnostic codes that help narrow the repair path.