Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Seat Fan




Heated/Cooled Seat Schematics (Except A45)

Indicators and Switches





Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Heating Elements
LED Dimming (2 of 2)
LED Dimming (2 of 2)
G302 (1 of 3)
G302 (1 of 3)

Heating Elements





Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Indicators and Switches (SPO Accessory)
Indicators and Switches
BATT 2, BCK/UP/STOP, LT/TRN/SIG, PDM, PWR/MIR, and RT/TRN/SIG Fuses, LT/PWR/SEAT, PWR/COLUMN, and RT/PWR/SEAT Circuit Breakers
Data Communication Schematics
G303 (1 of 2)

Indicators and Switches (SPO Accessory)





Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Heating Elements (SPO Accessory)
Heating Elements
LED Dimming (2 of 2)
LED Dimming (2 of 2)
G303 (1 of 2)
G303 (1 of 2)

Heating Elements (SPO Accessory)





Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Indicators and Switches (SPO Accessory)
BATT 2, BCK/UP/STOP, LT/TRN/SIG, PDM, PWR/MIR, and RT/TRN/SIG Fuses, LT/PWR/SEAT, PWR/COLUMN, and RT/PWR/SEAT Circuit Breakers
Data Communication Schematics
G303 (1 of 2)