Amber/Red
The colour helps indicate urgency, but exact behaviour can vary by manufacturer.
Dashboard Warning Light
Master Warning
General warning that accompanies a message or another symbol. The usual first step is: Read the message immediately; stop if red or instructed.
Varies by state
Use this as a quick triage label before confirming in your owner manual.
Read the message immediately; stop if red or instructed
Check the matching manual page for your exact brand, model and year when possible.
What it usually means
General warning that accompanies a message or another symbol.
What to do next
Read the message immediately; stop if red or instructed. If the vehicle feels unsafe, stop in a safe place and arrange professional inspection.