Amber/White/Blue
The colour helps indicate urgency, but exact behaviour can vary by manufacturer.
Dashboard Warning Light
Low Outside Temperature / Icy Road
Outside temperature is low; ice may be present even if the road looks clear. The usual first step is: Reduce speed and allow extra braking distance.
Information only
Use this as a quick triage label before confirming in your owner manual.
Reduce speed and allow extra braking distance
Check the matching manual page for your exact brand, model and year when possible.
What it usually means
Outside temperature is low; ice may be present even if the road looks clear.
What to do next
Reduce speed and allow extra braking distance. If the vehicle feels unsafe, stop in a safe place and arrange professional inspection.