After my 1995 Montero turned 150,000 miles the
I changed the battery and voila' - no more light.
maintenance with engine
The maintenance light,You will need to take it to a Dodge dealer to reset it. Or get a DBR-2 code scanner.BIG $$$
aperantly take the light out
The maintenance required light requires a scan tool to be reset.
How do you reset the maintenance required light in the 2011Toyota RAV4 with a smart key starting system
To reset the maintenance required warning light on a 1989 Dodge Dakota, unhook the battery connector cables for 10 minutes. Reconnect them and start the vehicle.
With the engine and ignition off push and hold in the odometer reset button. While holding that button in, turn on the ignition but do not start the engine. After about 5 seconds the light will go off and the maintenance required light will have been reset.
How do you reset the maintenance light on a 2001 Honda accord ex I found some options at http://www.tegger.com/hondafaq/maintenance-reqd-light.html#why
Read your owner's manual.
disconnect the battery
disconnect the battery for a couple of minutes, if it comes back on after you drive the computer is getting an error code from the engine check the codes to see whats causing it