How to remove air pockets in the cooling system.

Not familiar with this model, but I would look for bleed port on thermostat housing.

Sometimes air pockets form in the cooling system when the coolant has been drained. The will result is engine overheating. This happens even after the coolant has been added and the cooling system appears to be full. Air can enter the cooling system after changing the water pump or lower radiator hose. This will affect the engine's ability to maintain proper operating temperature.
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The computer enriches the fuel mixture and then leans it out to see fluctuation and changes at the oxygen sensor readings, these changes forth and back can often be noticed, also AC pumps cycle from time to time for short bursts just to keep them freed up i think. when the AC clutch kicks in the idle will also fluctuate, again it is normal to some degree. As for air pockets fill the cooling system there should be no air pockets at all nothing but coolant. Air does a poor job of drawing heat from the engine from the inside of a cooling system however it works well outside the cooling system.

The shop is responsible for this. Driving it won't get the air out. There is a tool required to fill the cooling system and bleed out the air. If your 'mechanic' is really what he claims to be he should know that.

Sound like u have an air pocket in the cooling system. Make sure antifreeze level is correct. I also believe that model has an air bleed on engine to remove any air trapped in engine cooling system so might want to try to bleed the system as well. Hope this help

Air pocket in the cooling system i'm assuming?
Remove radiator cap when the engine has cooled down (verify by collapsing the upper radiator hose to make sure there is no pressure remaining) start the vehicle, turn your climate control to high fan, hottest temp. Add coolant to the radiator as needed. You should have good heat coming out of defrost when the cooling system is successfully bled out.

air pocket is air in the cooling system and it can get there from low coolant or someone draining and filling the system, but it should work its way out by fill radiator and running engine until thermostant opens, some newer cars are a little harder but this one is smiple. hope this helps.

air pockets develop over time and what most people do not realise is that the cooling system of the car loses water through damp over time. when there is not enough water in the cooling system it pushes air through which rapidly heats up. on the highway higher speeds cool things down. but lower speeds not. open the waterbottle cap when the car is totally cooled off. not hot. never when its hot. this will create more air pockets in the cooling system. open the bottle cap and fill it up full. start the engine and add water. if you car has an aircon switch it on to full. this will push air pocket out off your cooling system. as bubbles blow out keep on filling water until cooling system is bled. good luck

You may have one of several issues. Overheating at a stop indicates an inoperative radiator cooling fan, The no heat issue is more than likely being caused by an air pocket left in the cooling system from the overheating. I would suggst verifyuing the operation of the cooling fans, and then check for any air pockets in the cooling system.