Can you mount a dash cam or sticker near the windshield camera?
Reviewed by the Skyview Auto Glass technical team — NWRD-, ASE- and DINITROL-trained technicians · Updated November 2026
Quick answer
You can mount a dash cam on the windshield, but keep it clear of the forward camera’s view and the rain-sensor area behind the rearview mirror. Mount to the passenger side of the mirror area and out of the wiper-swept driver view. State rules on windshield mounting vary, so check the rules where you drive.
Where to put a dash cam
The forward camera behind the windshield and the rain-and-light sensor sit in the area behind the rearview mirror. A dash cam, a toll tag, or a sticker placed over that zone can block the camera’s view, scatter the rain sensor’s infrared beam, or trigger a "front camera blocked" message. Mount the dash cam to the passenger side of the mirror area so it leaves the camera and sensor zone open.
Keep the mount out of the wiper-swept area the driver looks through, so it does not block the view of the road. A small camera tucked high on the passenger side of the mirror usually clears both the camera zone and the driver’s sight line. See our guide on the camera behind the rearview mirror for what it watches.
What to keep clear behind the mirror
- The forward camera’s view through the glass, which feeds the driver-assist features.
- The rain-and-light sensor area, which an obstruction can defeat.
- The wiper-swept area the driver looks through, for a clear view of the road.
- The auto-high-beam sensor, which often shares the mirror housing.
Common myths about mounting near the camera
A dash cam does not affect ADAS as long as it is small.
Size matters less than placement. A small camera over the forward camera’s view can still block it and trigger a "front camera blocked" message. Mount to the passenger side of the mirror.
A toll tag can go anywhere behind the mirror.
Some windshields have a marked cut-out area for toll tags because a metallic coating blocks the signal elsewhere. Place the tag only where the glass or the manual allows.
State rules on windshield mounting vary
Many states limit where and how large a windshield-mounted device can be, and the rules differ. Check the rules for the state where the vehicle is registered before you mount a dash cam or a tag on the glass.
More questions about mounting near the camera
Can a dash cam block ADAS?
Yes, if it sits over the forward camera’s view behind the mirror. Mount the dash cam to the passenger side of the mirror area so the camera and rain-sensor zone stay clear.
Can I put a toll tag behind the rearview mirror?
Only in the area the glass or the manual allows. Some windshields have a marked cut-out for toll tags because a metallic coating blocks the signal elsewhere.
Where should I put a dash cam?
High on the passenger side of the rearview mirror, out of the camera and sensor zone and out of the wiper-swept driver view. Check state rules on windshield mounting where you drive.
Related guides
More in ADAS cameras and calibration
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