You’re leaving your vehicle parked on a road and unattended. When may you leave the engine running?

A: If you'll be parking for less than five minutes

B: If the battery keeps going flat

C: When parked in a 20 mph zone

D: Never if you're away from the vehicle

When you leave your vehicle parked on a road, switch off the engine and secure the vehicle. Make sure no valuables are visible, shut all the windows, lock the vehicle, and set the alarm the vehicle has one.

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