Learn Procedure (Without the HDS)

WARNING: This page is about a different car, the 2013 Honda Fit, 2012 Honda Fit, 2011 Honda Fit, 2010 Honda Fit, and 2009 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.

Start the engine. Hold the engine speed at 3, 000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan comes on.
Test-drive the vehicle on a level road: Decelerate (with the throttle fully closed) from an engine speed of 2, 500 rpm down to 1, 000 rpm with the A/T in 2, or the M/T in 2nd.
Repeat step 2 several times.
Turn the ignition switch to LOCK (0).
Turn the ignition switch to ON (II), and wait 30 seconds.