This reconnection procedure is to be performed anytime the battery has been disconnected.Connect the battery negative cable to the battery post and tighten the clamp nut.Install the rear compartment floor trim panel.Once the battery has been connected, review and perform the following information as applicable.If the vehicle is equipped with ESP, once the battery is reconnected, the Steering Angle Sensor (SAS) in the clockspring needs to be calibrated. The SAS requires calibration anytime the battery or an ABS (ESP) component has been disconnected for any length of time. If the SAS is not calibrated following battery reconnection, the ESP/BAS indicator lamp is illuminated following five ignition cycles indicating the need for calibration.To calibrate, perform the following:Start the engine.Center the steering wheel.Turn the steering wheel all the way to the left until the internal stop in the steering gear is met, then turn the wheel all the way to the right until the opposite internal stop in the steering gear is met.Center the steering wheel.Stop the engine.