Warranty claims denied because owners can't produce every oil change receipt from 3 years ago

Vehicle manufacturers and extended warranty providers routinely deny powertrain warranty claims — often worth $3,000-$8,000 — by requiring owners to produce complete maintenance records proving every scheduled service was performed on time. So what? Most car owners get oil changes at quick-lube shops, independent mechanics, or do it themselves, and don't systematically archive every receipt. So what? When a transmission fails at 55,000 miles on a vehicle with a 60,000-mile powertrain warranty, the manufacturer requests proof of every oil change, transmission fluid check, and scheduled service. So what? The owner who faithfully maintained their car but lost the receipt from a Jiffy Lube visit 18 months ago gets their $5,000 claim denied for 'failure to demonstrate adherence to the maintenance schedule.' So what? The owner must either pay out-of-pocket, hire a lawyer (which costs more than many repairs), or file a state attorney general complaint that takes months to resolve. This persists because the burden of proof falls entirely on the consumer, there's no centralized maintenance record system, and warranty providers financially benefit from denials — every denied claim is pure margin.