To require engine coolant and antifreeze to contain a bittering agent so as to render it unpalatable.

Requires engine coolant or antifreeze sold after January 1, 2004, that is manufactured after July 1, 2003, and that contains more than ten percent ethylene glycol, to include denatonium benzoate at a minimum of 30 parts per million (or other equally effective aversive agent) as a bittering agent so as to render it unpalatable.

Requires a manufacturer or packager of such product to maintain records of compliance with this Act.

Declares that any manufacturer, distributor, recycler, or seller of an automotive product required by this Act to contain an aversive agent shall not be liable (except for willful or wanton misconduct) for personal injury, death, or property damage that results from compliance with this Act.

Declares this Act inapplicable to: (1) the sale of a motor vehicle that contains engine coolant or antifreeze; or (2) wholesale containers of engine coolant or antifreeze containing 55 gallons or more of engine coolant or antifreeze.