We press the button where you set the hour/minute but its not working how do you fix it?

There is 2 different radios. With or without rds. Here are the instructions for both.
Setting the Time for Radios with Radio Data Systems (RDS) To set the hour, press the clock button. The clock symbol displays and the hour flashes. Turn the ADJ (adjust) knob to increase or to decrease the hours. To set the minutes, press the clock button again. The minutes. Turn the ADJ knob to increase or to decrease the minutes. The time can be set with the ignition on or off.
To synchronize the time with an FM station broadcasting Radio Data System (RDS) information, press and hold the clock button to enter the clock set mode, then press and hold the clock button for three seconds until UPDATED displays. If the time is not available from the station, NO UPDATE displays.
RDS time is broadcast once a minute. After tuning to an RDS broadcast station, it can take a few minutes for the time to update.
Setting the Time for Radios without Radio Data Systems (RDS) To set the hour, press the clock button. The clock symbol displays and the hour flashes. Turn the ADJ (adjust) knob to increase or to decrease the hours. To set the minutes, press the clock button again. The minutes flash. Turn the ADJ knob to increase or to decrease the minutes. The time can be set with the ignition on or off.

If the radio has a set button: Turn key on and radio off. Press the set button and use the right seek button to set the minute and left seek to set the hours. If it has no set button: find the hour and minutes buttons or holes under the auto tone knob. Turn key on engine off and radio off. press the left button for the hour and right button for minute.

yaris has only one button for setting clock.......... long press this button the hours will start blinking then set the hours by pressing the same button.......... when finished setting hours wait for some seconds then the minutes will start blinking set the minutes by pressing the same button and after setting leave it
best of luck

How to set the clock

1.

Turn the radio on.

2.

Press and hold the "CLK" button, press the right (a) side of

the "SEEK" button to increase hours. Press the left (

b) side

of the button to decrease hours. Press the right (

a) side of

the "TUNE" button to increase minutes. Press the left (

b)

side of the button to decrease minutes.

NOTE: The clock displays 12-hour time with no AM/PM
indications

According with the Owners Manual:

* Setting the Time for Radios without Radio Data Systems (RDS)
Press and hold the HR or MIN arrow for two seconds. Then press HR until the correct hour appears on the display. Press and hold MIN until the correct minute appears on the display. The time may be set with the ignition on or off.

* Setting the Time for Radios with Radio Data Systems (RDS)
Your radio may have a button marked with an H or HR to represent hours and an M or MN to represent minutes.
Press and hold the hour button until the correct hour appears on the display. Press and hold the minute button until the correct minute appears on the display. The time may be set with the ignition on or off.
To synchronize the time with an FM station broadcasting Radio Data System (RDS) information, press and hold the hour and minute buttons at the same time until RDS TIME appears on the display. To accept this time, press and hold the hour and minute buttons, at the same time, for another 2 seconds. If the time is not available from the station, NO UPDAT will appear on the display.

RDS time is broadcast once a minute. Once you have tuned to an RDS broadcast station, it may take a few minutes for your time to update.


Hope this helps.

Clock Setting Procedure (digital clock page 242 of your owners manual)
1. Press and hold the time button until the hours blink.
2. Adjust the hours by turning the right side Tune/
Audio control.
3. After the hours are adjusted, press the right side
Tune/Audio control to set the minutes. The minutes will
begin to blink.
4. Adjust the minutes using the right side Tune/Audio
control.
5. To exit, press any button/knob or wait 5 seconds.

SETTING THE ANALOG CLOCK (page 238 of your owners manual)
To set the analog clock at the top center of the instrument
panel, press and hold the button until the setting is
correct. The clock will adjust slowly at first and then
quicker the longer the button is held.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Setting the time:
Hour: Press and hold the CLK button and at the same time push the SEEK button < decrease the hours > increase the hours.
Minutes: Press and hold the CLK button and at the same time push the TUNE button < to decrease the minutes > increase the minutes.

press the set button and use the seek and scan buttons to change time

Press the volume control knob and hold down. Press the seek button left to set hour, press right to set minutes.

Hold the clock button, and use seek left and right. Left <- (Hours) & Right -> (Minutes)

Depending on what radio you have ONE of these will work.

Press and hold the CLOCK button until you hear a beep. Change the hours by pressing the H (Preset 4) button until the numbers advance to the desired time. Change the minutes by press the M (Preset 5) button until the numbers advance to the desired time. When you are finished, press the CLOCK button.
Vehicles without CD Player
Adjust the hours by pressing and holding the CLOCK button, then pressing the H (Preset 4) button. Adjust the minutes by pressing and holding the CLOCK button, then pressing the M (Preset 5) button
You can quickly set the time to the nearest hour. If the displayed time is before the half hour, press and hold the CLOCK button until you hear a beep, then press the R (Preset 6) button to set the clock back to the previous hour. If the displayed time is after the half hour, the clock sets forward to the beginning of the next hour.
For example: 1:06 will reset to 1:00 or 1:52 will reset to 2:00
Hope this gets you there.