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

Bi-Level (2)

Bi-Level (2):




In BI-LEVEL mode air is divided into two temperature groups and directed into the vehicle as follows:
^ Cooler air is directed through the air distribution duct to the I/P outlets.
^ Warmer air is directed through the lower ducts to the floor area.