October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Maintenance Mode - Engine Forced Activation Mode

NOTE: Hyundai calls this function, Engine Forced Activation Mode.

NOTE: Maintenance mode is available for some models, and will allow the vehicle to remain running for testing purposes. See additional information in General Information articles.