Nizar said:when i used 76 semi oil it came on after 5000 miles then used better oil brand the light came on after 7500 miles so is safe to always wait for the light ??
strat81 said:If you do not have a DIC and rely solely on the instrument cluster light, keep track of your mileage, just in case that bulb burns out.
It's also good practice to check your oil level regularly as oil consumption/loss is not measured by the OLM.