According to the law, what measures should a bus driver lawfully take before entering the bus?

1. Cleaning the mirrors and the rear windshield.
2. Cleaning the mirrors and the front and back windshields.
3. Checking if there are road users nearby only.
4. Correct answer: Performing a security check and a safety check.

WhyBefore driving, a bus driver performs a safety check and a security check. Washing the windows is not what the law requires.