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
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.
What do the REQD light mean on my dashboard of my 1993 Dodge Dakota 3.9L Truck
That requires a scan tool.
maintenance with engine
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
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
Just found out that it must be reset at the dealership with a diagnostic computer