lemon law

lemon law   n.  A law obligating manufacturers or sellers to repair, replace, or refund the price of motor vehicles that prove to be defective.

Main Entry: lem·on law
Function: noun
: a statute that grants the purchaser of a car specific remedies (as a refund) if the car has a defect that impairs or significantly affects its use, value, or safety and that cannot be repaired within a specified period