What happens if a driver refuses to submit to a chemical test in Iowa?

In Iowa, if a driver refuses to submit to a chemical test, the consequences are significant and immediate. The correct response reflects that the driver's driving privileges will be withdrawn. This is part of Iowa’s implied consent law, which means that by operating a vehicle, a driver has already agreed to submit to chemical testing when requested by law enforcement if there is a suspicion of impairment.

When a driver refuses the test, it is viewed seriously because it is an indication of non-compliance with legal requirements aimed at ensuring road safety. The withdrawal of driving privileges typically involves the suspension of the driver's license for a specific period, which serves as a deterrent against refusal and reinforces the importance of complying with law enforcement in these situations. This ensures that drivers understand the consequences of their actions and the seriousness of maintaining road safety.

The other choices do not accurately reflect the state law; a warning would not hold significant weight in this scenario, immediate arrest isn't the standard protocol for a refusal alone, and there are indeed consequences for refusal, making the assertion of "no consequences" incorrect as well.