2008 Toyota 4Runner MAINT reset

Try this,
It will depend on where your car was made and where you live.

1. Turn ignition switch to "ON" position
2. Set odometer/trip display to "ODO" mode
3. Turn ignition switch to "OFF" position
4. Depress and hold the Trip Meter "RESET" button while turning the ignition switch to the "ON" position
5. The service maintenance reminder light will:

i. Illuminate solidly for 3 seconds
ii. Blink for 2 seconds
iii. Illuminate solidly for 1 second
iv. Turn off

6. Release the Trip Meter "RESET" button
7. Turn the ignition switch to the "OFF" position
8. Turn the ignition to the "ON" position and confirm that the service maintenance reminder light goes out.