Q: Instrument panel acts erratically and A/C won't cool

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Occasionally when turning the car on or after having driven for a while, the instrument cluster starts acting erratically. Along with this irregularity, the radio will turn on and off and the volume is not controllable. The A/C will stop blowing cold air through the vents. Even if I turn the car off and back on, the instrument cluster problem still exists. However, the a/c will most of the time go back to blowing cold air after turning the car back on. (It can sometimes just take a bit of time.) What will solve these problems?

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