1998 Toyota 4Runner Owners Manual - Page 110

4RUNNER (1998) High- Low beams-For high beams, turn the headlights on and push the lever away from you (position 1). Pull the lever toward you (position 2) for low beams. The headlight high beam indicator light (blue light) on the instrument panel will tell you that the high beams are on. Flashing the high beam headlights (position 3)-Pull the lever all the way back. The high beam headlights turn off when you release the lever. You can flash the high beam headlights with the knob turned to "OFF".