1998 Toyota 4Runner Owners Manual - Page 207

4RUNNER (1998) The digital clock indicates the time. The key must be in the "ACC" or "ON" position. To reset the hour: Push the "H" button. To reset the minutes: Push the "M" button. If quick adjustment to a full hour is desired, push the ":00" button. For example, if depressed when 1:011:29, the 1:00. If the 1:301:59, the 2:00. the ":00" button is the time is between time will change to time is between time will change to Once the electrical power source has been disconnected from the clock, the time is automatically set to 1:00 (one o'clock). When the instrument panel lights are turned on, the brightness of the time indication will be reduced. Cigarette lighter and ashtray