The Autel OLS301 combines an EOBD code reader & oil service tool into a compact device. This product is suitable for any EOBD compliant vehicle to read EOBD diagnostic codes (Engine/ Transmission) & enables the cause of the illuminated engine check light (MIL) to be established. Completing the device is a robust design to ensure reliability, & the operating instructions, CD & USB (Universal Serial Bus) cable in a handy storage pouch.