14mm
I believe it's either a 40 or 45.
You need an oil change.
with a socket & wrench
Well, I know that on a 2000 merc cougar, if you press and hold the "Select" and "Units" buttons at the same time, it will reset the light. Hopefully this helps.
To remove the front seat from a 1993 Mercury Cougar, first, slide the seat all the way forward to access the rear bolts. Use a socket wrench to remove the bolts at the rear of the seat, then slide the seat back to access and remove the front bolts. Disconnect any electrical connectors for seat adjustments if applicable. Finally, lift the seat out of the vehicle carefully.
I needed a Hex 9MM worked great
15mm wrench. righty tighty, lefty loosy. so turn it counter-clockwise... dont forget the oil filter
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 )
You need a 7 m Allen key for that year Cougar. -Of course that key is not commonly in Allen sets, so be prepared to buy one on it's own at a good tool store.
To remove the front axle nut on a 2006 Mercury Mariner, you will need a 32mm socket wrench. Make sure to use a breaker bar if the nut is tightly secured, as it can be torqued to a high specification. Always ensure the vehicle is properly supported before attempting any repairs.
Metric Allen wrench.
You need a 15 mm regular wrench.