Click on the link below
Click on Owner Guides
The Owner Guide ( which includes the DRIVE CYCLE instructions ) can be viewed online
The vehicle has to relearn its idle
Disconnect the negative side of the battery
Try disconecting the battery for 5 min.s and reconecting.
If you remove the battery or break the connection to it, you have reset it. That is why the presets on the AM/FM radio disappear. The question is how. You do not have to reset anything except the radio presets and the clock.
Bing it.
Unhooking the battery for about 20 minutes should be more than enough to resed the computer.
To reset a Mercury Mountaineer CD changer, first, turn off the vehicle and disconnect the battery for about 10 minutes to allow the system to reset. After reconnecting the battery, turn the ignition back on and then power up the CD changer. If the unit still doesn't work properly, consult the owner's manual for specific troubleshooting steps or consider seeking assistance from a professional mechanic.
Take it to the dealer. Be responsible.
do you have to reset computer after changing battery in 2003 745li
To reset the security system on a 2003 Mercury Mountaineer, first ensure that the vehicle is in the "Off" position. Disconnect the negative battery terminal and wait for about 10-15 minutes to allow the system to reset. Reconnect the battery terminal, then attempt to start the vehicle. If the issue persists, it may be necessary to consult the owner's manual or a professional for further troubleshooting.
To reset the service engine soon light on a 2006 Mercury Mountaineer, you can buy a scan tool. Make sure you note down the numbers before scanning.
By resting it on the computer manually
As soon as a battery cable is removed ( negative first ) the computer programming is disrupted . The vehicle will need to relearn its idle , the preset radio stations will need to be reset etc.