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

Automatic Door Lock Programming

The automatic door lock function provides for four selectable settings, as follows:
1. No automatic door lock or unlock.
2. Automatic all doors lock when gear selector moves out of PARK. No automatic door unlock.
3. Automatic all doors lock when gear selector moves out of PARK. Automatic driver door unlock when gear selector moves into PARK (Oldsmobile, Buick only).
4. Automatic all doors lock when gear selector moves out of PARK. Automatic all door unlock when gear selector moves into PARK (Oldsmobile, Buick only).
5. Automatic all doors lock when gear selector moves out of PARK. Automatic all door unlock when gear selector moves into PARK with the ignition switch turned to OFF.