Materials Added To Engine Oils

Do not add any supplemental materials, other than leak detection dyes, to your engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives.

    See also:

    Prepare For The Appointment
    If you’re having warranty work done, be sure to have the right papers with you. Take your warranty folder. All work to be performed may not be covered by the warranty. Discuss additional charg ...

    1999 Jeep Wrangler review
    One would never expect to need a four-wheel drive vehicle unless snow is flying. But, this case tested that theory. I needed to travel to Philly to attend to some family business when the heaven ...

    Voice Command
    • For best performance, adjust the rearview mirror to provide at least 1⁄2 in (1 cm) gap between the overhead console (if equipped) and the mirror. • Always wait for the beep before spe ...