GM owners wo n't need LoJack because cars come with OnStar option . Smokers needing sun protection should ask for policy changes . But generally , as long as you keep your car washed you do n't need sealant . Some warranties are transferable policies that allow you ` ` sell '' it with car .
GM owners wo n't need LoJack because cars come with OnStar option . Smokers considering fabric protection should check for policy exclusions . But generally , as long as you keep your car washed you do n't need sealant . Some warranties offer transferable policies that let you `` sell '' it with car .