I turn the maintenance light off and cant figure out how to turn it back on. Thanks

 

IIRC, with the car off and key in off position.

Press info button 3 times for longer than a second. Wrench will start to flash.

Press info button 3 times for less than a second. You will be able to choose how many months and/or miles you want to set the reminder to. (I chose NAS 21)

Press info button for longer than a second to set.

This is from memory so I hope it helps.