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

Cruise Command Re-Engages When Brake Is Released


1. Regulator inoperative. Replace regulator.
2. Mechanical vent valve not opening. Adjust position or replace valve. Refer to "Vacuum Dump Valve" adjustment in individual car chapters.
3. Brake light switch damaged. Adjust or replace switch.
4. Mechanical vent valve hose kinked. Position hose so kink is removed.