| Component Location |
| Air lumbar support & bolster assembly |

| Mechanical lumbar support assembly |

Removal [Front seat - ventilation blower Seat] 1. Disconnect the battery(-) terminals. 2. Remove the front seat. (Refer to Body - "Front Seat Assembly" ) 3.
Removal Air lumbar support and bolster assembly 1. Disconnect the negative (-) battery terminal. 2. Remove the front seat back cover. (Refer to Body - "Front Seat Back Cover") 3.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the mirror wiring cover (A) and rain sensor cover (B). 3. Remove the LKAS unit connector (A). 4. Remove the LKAS unit after disengaging the mounting bracket (A). Installation 1.
Diagnosis With GDS 1. BSD system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis. 2. Connect the cable of GDS to the data link connector in driver side crash pad lower panel, and turn on the GDS.