Depending on the local regulation in your country, if the number on the tester is still showing below 24% TPM, then you can use the oil as long as the light is showing green and yellow, once it turns into red it’s the right time to change the oil.
Depending on the local regulation in your country, if the number on the tester is still showing below 24% TPM, then you can use the oil as long as the light is showing green and yellow, once it turns into red it’s the right time to change the oil.