How often do you service or oil change (properly) your car professionally?

By a mechanic or by an auto shop basically. Google search results says "apparently" every 6 months to a year (along with top ups, not to the brim not to all the way filled, duh, never to the brim supposedly either) anyways. Apparently. Some people lol probably go year (s) without proper car maintenance and no wonder things fail, wear out or even engine just dies before it's even lived lol, not that I'd know about engines or cars. I'm a simpleton who only earns trial and error. Lol. And Google search results and gossip.
Every 6 months
Every 12 months
Never or rarely
Only when it breaks down
Only when I remember to or can afford it or spare time to get it serviced (maintained)
Other / i don't know / I don't even know who's car I use if they do or don't
Select gender and age to cast your vote:
How often do you service or oil change (properly) your car professionally?
Post Opinion