How can an older driver make their driving safer?

• They must ensure their current medication does not negatively affect their driving ability.
• They must avoid driving while in pain.
• They must regularly get their hearing and vision checked.
• All of the above.
  Explanation:

  "Health plays a key role in safe driving, and older drivers must exercise more caution. To ensure they are fit to drive, they must: 1) Consult with their doctor or pharmacist to ensure their medications won’t affect their driving ability. 2) Avoid driving when they’re in pain. 3) Have their hearing and vision checked regularly."