But he acknowledged that some motorists might try to plug hair dryers in the back seat and then stretch the cord up to the front.
But Major Dykeman stressed that motorists should never try to drive through any body of water, however shallow it appears.
The police regularly stop motorists exceeding the 30-mile-per-hour limit or trying an imprudent U-turn.
One motorist tried to fill a pair of 1 gallon glass flagons with petrol in South Wales.
Two squad cars were idling on the periphery of the checkpoint, in case a motorist tried to flee.
According to some witnesses, the motorist drove into at least two cyclists and tried to flee.
Undeterred, some motorists tried to drive through.
The motorists had tried to use the lot, next to her house, as a shortcut to avoid an intersection.
When driving, if you drive much slower than the surrounding traffic, other motorists might get frustrated, and try to overtake you.
Sometimes a grateful motorist tries to tip Mr. Korzep, an offering he always declines.