According to the 2001 Mercury Cougar Owner Guide :
The wrench light in the overhead warning lights means :
( routine maintenance should be performed , the light comes on after approximately 4800 miles / 358 days )
I checked the owners manual and the wrench light in the overhead warning lights comes on after aproximately 7700 KM ( 4800 miles ) or 358 days to indicate routine service should be performed
It is important to know why flashing lights come on in a vehicle. When a transmission light comes on it can mean that there the fluid is low, or that there are other issues.
Air Conditioning
This is the service interval light, it goes off every 4,800 miles or every 358 days. It is to remind you that your car might need an oil change, or regular maintenance. To turn it off, simply hold the Select and Units buttons down for 4 seconds, the light will turn off after 4 seconds.
The wrench light in any car means your engine needs attention.
You are low on coolant.
You can view the 2001 Mercury Cougar owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides
It means your engine needs attention.
The wrench warming light on the dash of the Ford F250 means that there is a mechanical failure on your vehicle.
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?
It means engine needs attention.
Oil change