Wis. Stat. § 218.0128
A manufacturer, importer, or distributor, except a manufacturer, importer, or distributor of motorcycles with respect to a dealer of the manufacturer's, importer's, or distributor's motorcycles, shall defend, indemnify, and hold harmless a dealer against any claim, judgment, or settlement for damages, court costs, expert witness fees, attorney fees, or other expenses arising out of a complaint, claim, or lawsuit to the extent that the complaint, claim, or lawsuit is caused by alleged defective or negligent manufacture, assembly, or design of a motor vehicle, part, or accessory by the manufacturer, importer, or distributor. If a complaint, claim, or lawsuit involves acts or omissions of both the manufacturer, importer, or distributor and the dealer, the manufacturer, importer, or distributor is not obligated to defend the dealer against a claim arising out of the dealer's alleged acts or omissions and is not obligated to indemnify the dealer against any part of a judgment or settlement that arises out of the dealer's alleged acts or omissions.
Wis. Stat. § 218.0128