Safety, Safety, Safety

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Across
  1. 3. You check this before leaving your home for winter travel.
  2. 4. Leaks in this could send deadly leaks of carbon monoxide into your vehicle (2 words).
Down
  1. 1. Check tire ____ often especially before driving on the highway.
  2. 2. Replace weak batteries before they ____.
  3. 5. Make sure that all lights work and headlights are properly ____.