The new 3824-08 ESI[truck] 1 Year Software Renewal allows you to retain all software coverage and features. ELS (Extended License Subscription) ensures all diagnostic functions continue after subscription expiration (applies to Truck (3824A and 3824-08) and OHW (3824CBL-UPG and 3824-08OHW) coverage). An active subscription is required for new coverage however. Troubleshooting and repair software is sold separately. 1-year software renewal only - ESI[truck] diagnostic tool not included.