Technical Instructions: Customer Support Program ZKG ? Technical Instructions. December 12, 2019. This document has been updated to clarify that only authorized Toyota dealerships are authorized to confirm if the paint peeling condition is covered by this program. However, after confirming that the paint peeling condition is covered by this program, the authorized Toyota dealership may choose to coordinate to have the repainting repair performed by a non-Toyota repair facility (e.g. third-party collision repair facility, body shop, etc.).