Kia Optima DL3: Maintenance / Power Train

Other information:

Kia Optima DL3 2019-2026 Service and Repair Manual: Lumbar Support System

Repair procedures Inspection 1. Remove the front seat back. (Refer to Body - "Front Seat Back Cover") 2. Disconnect the connector (A). 3. When the battery power is supplied to the motor connector, check the motor for smooth operation.

Kia Optima DL3 2019-2026 Service and Repair Manual: Compressor oil

Repair procedures Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model.