Final answer:
A step not essential when approaching a vehicle may involve non-safety related actions like waving to bystanders.
Step-by-step explanation:
A not necessary step when approaching a vehicle might include gestures or actions that do not enhance safety or vehicle operation, such as waving to bystanders or adjusting non-essential car accessories. The key steps typically involve checking the vehicle's surroundings for safety.
Ensuring the vehicle is locked or unlocked as needed, and inspecting the car for any potential issues before entering. However, unnecessary actions do not contribute to the safety or functionality of the vehicle and can be skipped. For the second part, whether it is safe to walk across the road when a car driving towards you is 28 meters away depends on various factors.
Including the speed of the car, road conditions, and your walking speed. Generally, it may not be safe if the car is approaching quickly, hence always err on the side of caution and wait for the vehicle to pass unless you can judge the situation clearly and are confident you have plenty of time to cross safely.