If the automatic door fails, check the "On/Off" switch on the overhead console. Often, cleaning the brass contact pins on the door frame with rubbing alcohol restores the connection.
Inspect engine air filter and replace if dirty. Chevrolet Venture 2003 Manual
Replace fuel filter and inspect braking system. If the automatic door fails, check the "On/Off"
You can access the full, original factory owner's manual through several reliable digital sources: If the automatic door fails