Bleed air from radiator/cooling system?

[OnionTou]

My car has done little over 5000 km (3000 miles aprox), and I noticed I had some gurgling sounds when I take the car into my apt building's parking lot (I usually stop on the downhill ramp to press the garage door opener before driving down the few floors I have to go). Then I noticed I was getting some similar noises under severe braking.

Since I was driving, I parked and popped open the hood and saw that my coolant level (reservoir tank) was on the low side (not under the minimum, but quite close), went to the store and bought some radiator fluid. FYI, Other fluids were ok.

Got home waited a couple of hours and I checked the radiator and the level was ok, and refilled the reservoir tank. Took the car out, drove it a while, went back to the garage and the gurgling noise was smaller.

I thought this was weird since I wasn't seeing any leaks. I haven't done any work on my car that required getting the radiator drained or anything of the sorts. The car is not my Daily driver but I see fluids under the car whenever I take it out.

I have this nagging thought that for some reason I might have air in my cooling system and I probably need to bleed it to make sure all the air is out.

How do you bleed the air in this car's engine? I'd rather get this done at home than take it back to the dealer's mechanic. It takes time from my workday, and I really want to avoid the hassle. But, I'm willing to take the car if you guys think I might have a bigger problem I need to get sorted out.

[Turdinator]

Just FYI you need to be careful about mixing different types of coolant. For top ups you are often better just using water.

[mav1178]

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-alex