Hi ryucky, better be careful when the air cond is not working when your car is stationery. The air is hot because the auxiliary fan is not turning. This would also contribute to overheating at your engine bay. I faced the same problem. Sent my car to Naidu behind Shell station,next to EPF Jalan Gasing/Federal Highway. He checked the air cond sensor, changed something below the dash board, changed the pressure switch (located near the right front light). But problem remains. Good thing is Naidu didn't charge me at all. Those parts which he changed, if they are found out not to be faulty, he will just put back the original one. Good work. But the mystery still remains.
What I do now, you may try, when I'm stuck in a jam, just put your gear to N and rev the engine a bit for a while. This would invariably turn on the auxiliary fan and cool air should come in again. More importantly, once the fan runs, your engine won't run the risk of overheating. Cheers.
