If the condition is that you are weak into the repeater, the problem might be resolved by you moving to a better location if using a handheld radio, or installing a better antenna, or increasing power. If you receive complaints of distortion, muddy audio, alternator whine, hum, etc., fix the problem, don't ignore it. You're not the one that has to suffer through listening to it . The quality of your signal is representative of you as an operator. Newcomers to the hobby are encouraged to spend some time listening before jumping in.
Ham radio is a hobby with a lot of unwritten rules as far as operating practices go.
The only way to become familiar with the ettiquette, flow, and language of amateur radio conversation is to learn by listening and paying attention to how it's done. Making unidentified test transmissions. There is no reason to key up the repeater without saying anything. The repeater hasn't gone anywhere. If you need to make a test transmission, make it once and identify when you do it.