Why should you not use a cellular phone while fueling your vehicle?

• You might not see if the fuel level is correct.
• Phones that light up while ringing may generate enough energy to create a spark and ignite gasoline vapors.
  Explanation:

  "You must avoid using a cellular phone while fueling your vehicle because when a phone lights up while ringing or turning on, it may generate a small spark. This spark could ignite gasoline vapors, leading to a fire or explosion."
• The phone might cause a distraction.
• None of the above