Amber
The colour helps indicate urgency, but exact behaviour can vary by manufacturer.
Dashboard Warning Light
Blind Spot Monitor
Blind spot system fault/unavailable. The usual first step is: Check sensors.
Inspect soon
Use this as a quick triage label before confirming in your owner manual.
Check sensors
Check the matching manual page for your exact brand, model and year when possible.
What it usually means
Blind spot system fault/unavailable.
What to do next
Check sensors. If the vehicle feels unsafe, stop in a safe place and arrange professional inspection.