Frequently Asked Questions

The 405 Express Lanes requires all users to have a transponder mounted according to these instructions.

Interior Mounted Transponder Installation

1. Clean mounting area inside of windshield and let dry.
2. Peel backing and affix to inside windshield, smoothing the sticker flat or pressing the switchable transponder's adhesive strips firmly against the glass.

Sticker

Switchable Transponder

DualLock Placement

Exterior Mounted Transponder Installation

1. Clean and dry the vehicle headlamp in the chosen tag placement area.
2. Carefully remove the transponder sticker tag by peeling the backing down from the tag(see illustration below). Minimize contact with the adesive of the backing, and avoid sharply bending or folding the tag.
   
   Headlamp Tag Mounting
3. Locate a position on the headlamp at least 2 inches from any metal and smoothly press the transponder against the headlamp surface working from on end to avoid tapping air bubbles.

Position on the headlamp