* Your owner's manual: This is the most reliable source.
* The sticker on your driver's side doorjamb: This sticker often lists tire size and other vehicle specifications, sometimes including the bolt pattern.
* The wheels themselves: The bolt pattern is usually cast into the wheel.
* A reliable online database: Search for "2001 Dodge Caravan bolt pattern" on a site specializing in vehicle specifications.
Don't rely solely on general information online; always verify with your specific vehicle's documentation.