Had a moment:
Power on Detect mode
Bottom of page 34 in the Manual.
Menu->Ultragauge setup (version 8/24/10 or later).
"Mode 1 Will always detect correctly, but uses more power while the vehicle is off. This mode should only be used if Mode 2 fails detection.
Mode 2 is the recommended mode and uses less power while the vehicle is off. Mode 2 is the factory default. Mode 2 is ignored for vehicles with 9141 and KWP 2000 protocol."
Mode 2 does not work with my car (97 Ford Contour V6 Auto) so I had to select mode 1.
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