The dashboard lights should be kept dim because:

• Brightness reduces the aesthetic appeal of the dashboard
• Brightness creates glare and can potentially impair your vision
  Explanation:

  "The dashboard lights should be kept dim but still light enough for a motorist to read the dials. If too bright, they may create a glare for the motorist and impede vision. "
• Dim lights help conserve battery power
• None of the above