According to the 1997 Mercury Cougar Owner Guide :
Each remote takes ( 2 ) coin type , 3 volt lithium batteries
( # 2016 )
Had the same problem. You can reset it by unlocking either door with the key.
Remotes for automobiles can stop working for a variety of reasons. First check the battery, then reprogram if this is not the answer. Check with a mercury dealership to have the remote evaluated.
it might need a new battery, that happened with mine.
I had the same problem... I had to replace the battery in my remote at the dealer... hope this helps
Each remote takes ( 1 ) coin style battery ( CR 2032 ) or equivalent according to the owners manual
To replace the battery in your 2004 Murcery Monterey door lock remote all you have to do is hold it in your hand, take a knife and pop the back cover off pull the old battery out and put the new one in. Now enjoy locking your doors from a distance.
To replace the battery in your garage door opener remote, locate the battery compartment on the back of the remote. Open the compartment and remove the old battery. Insert a new battery of the same type and close the compartment. Test the remote to ensure it is working properly.
To change the battery in a garage door opener remote, locate the battery compartment on the back of the remote. Open the compartment and remove the old battery. Insert a new battery of the same type and close the compartment. Test the remote to ensure it is working properly.
To change the battery on a Liftmaster remote, locate the battery compartment on the back of the remote. Open the compartment and remove the old battery. Insert a new battery of the same type, making sure it is properly aligned. Close the compartment and test the remote to ensure it is working properly.
To replace the battery in a Liftmaster remote, locate the battery compartment on the back of the remote, open it, remove the old battery, and insert a new one of the same type. Close the compartment securely.
You do not have to reset the keyless remote after battery replacement.
To change the battery in a LiftMaster remote, locate the battery compartment on the back of the remote. Open the compartment and remove the old battery. Insert a new battery of the same type, making sure it is placed in the correct orientation. Close the compartment and test the remote to ensure it is working properly.