Mazda 6 Service Manual: No.25 a/c is not cut off under wide open throttle conditions

No.24 a/c is always on or a/c compressor runs continuously

No.26 exhaust sulphur smell

Other materials:

Mazda 6 Service Manual: Inspecting Coolant Level
WARNING Do not use a match or live flame in the engine compartment. DO NOT ADD COOLANT WHEN THE ENGINE IS HOT: A hot engine is dangerous. If the engine has been running, parts of the engine compartment can become very hot. You could be burned. Carefully inspect the engine coolant in the coola ...

Mazda 6 Service Manual: Distance-to-empty
This displays the approximate distance you can travel on the remaining fuel based on the fuel economy. The distance-to-empty will be calculated and displayed every second. NOTE Even though the distance-to-empty display may indicate a sufficient amount of remaining driving distance befor ...