There are two of them. Yellow if the temp falls between 1-4 deg c, red if it is 0 and under. Sorry not sure of the f values.
its below freezing temperature
I was looking at the 1999 Mercury Cougar Owner Guide and it does not show that it has a gas cap warning light
The answer to your question is that the snowflake appears when thoutside temperature drops to 40 degrees or below, it then changes to red when it is 32 degrees and below, thus letting you know when it is freezing outside so you know how to hand le the roads.
On a 2000 Mercury Cougar : That's your Anti-theft system status light
You need an oil change.
You are low on coolant.
If your asking about the small picture of a wrench, it's a service interval reminder light. It automatically comes on every 4,800 miles or 358 days after you clear it. It indicates routine maintenance.
it is located on the light a switch that says 12sec on and off
Blown fuse
I have a instrument light that is on ---- 1999 Cougar , it looks light a transmission, but I think it is the emission indicator on the far left of the steering wheel, what does this mean?
Orange Snowflake Beware of Frost on road Next one is a Red Snowflake Beware of Ice on the Road
The radiator fluid is low or you parked the car at am angle.