VERSATILE STUFFING
TUBES
Step 1: Enter Learning Mode
Shift to P and turn the ignition ON
Open the Tire Pressure display on the DIC
When “Press Set/Ctrl to Re-Learn” appears, press Set/Ctrl
Turn signals flash for 3 seconds and the horn beeps twice → learning mode activated
Step 2: Read Sensor – Start with Front Left
Begin at the front-left wheel
Place the EL-50448 antenna against the valve stem area
Press the tool’s start button
Horn beeps once → sensor read successfully
Step 3: Repeat for Remaining Wheels
Continue in order: front right → rear right → rear left
Learning completes when turn signals flash for 3 seconds and the horn beeps twice
Note: A TPMS Sensor Re-Learn Procedure is required after tire rotation, Remote Control Door Lock Receiver Module replacement, or TPMS sensor replacement on certain GM vehicles.
User Guide (Short Version)