This CR2032 Battery will replace the old one from your 2010 Mercury Mariner Remote Head Key, Please make sure you have this CR2032 number on the old battery, if you have no battery available in your remote, you may find the battery number on the back cover of your 2010 Mercury Mariner Remote Head Key, Please gave us a call if you have not found any numbers on your remote.

You are able to program 2010 MERCURY MARINER Key by yourself if you have two original working keys that start your vehicle. The new key will first need to be cut to match your original at an automotive locksmith or the dealership. Once the chip key is cut, you can use the printed programming instructions that we send to make the key work for your vehicle. The instructions are very easy to understand and can be performed in less than a minute. If you only have one or you lost all working key for 2010 MERCURY MARINER , the programming can only be done at the locksmith or dealership that cuts the key for you.

You are able to program a 2010 Mercury Mariner Key by yourself if you have two original working keys that start your vehicle. The new key will first need to be cut to match your original at a local automotive locksmith or dealership. Once the chip key is cut, you can use the printed programming instructions that we send to make the key work for your vehicle. The instructions are very easy to understand and can be performed in less than a minute. If you only have one or you lost all working key for a 2010 Mercury Mariner , the programming can only be done at the locksmith or dealership that cuts the key for you.

You are able to program a 2010 Mercury Mariner remote head key by yourself if you have two working keys (or keys that start the vehicle). The new remote head key will first need to be cut to match your original at an automotive locksmith or the dealership. Once the remote head key is cut, you can use the printed programming instructions that we send to make the remote key work for your 2010 Mercury Mariner The instructions are very easy to understand and can be performed in less than a minute. If you only have one working remote head key or you’ve lost all working key for this vehicle, the programming can only be done at an automotive locksmith or dealership. This remote head key comes with a new battery installed and is tested for functionality before sending.

The best way to protect your Ford 4 Button Remote Head Key from damage - cracks or scratchs is to use the Rubber Silicone case cover, multi colors are available to match your car for your Ford 4 Button Remote Head Key.