OnStar® FMV Cam Lock Mounting Kit

Mount the OnStar FMV mirror in select vehicles

Item #: 293CAMLCKT

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2 Reviews

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Use this mounting kit to install the OnStar FMV mirror in your vehicle — it works your vehicle's original Cam Lock-style mirror mount. Please give us a call to make sure this is the right mounting kit for your vehicle. Warranty: 1 year.

Sorry, we cannot ship this mounting kit by air or to Alaska, Hawaii, Puerto Rico, or other U.S. territories.

OnStar® FMV Cam Lock Mounting Kit Reviews

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OnStar® FMV Cam Lock Mounting Kit

Written By Anonymous, Powell, Ohio on Thursday, January 09, 2014

Crutchfield Customer Review (What's this?)

Exact replacement I needed. Fits & works perfectly.

Pros: Easy installation

Cons: None

OnStar® FMV Cam Lock Mounting Kit

Written By Jack, Hilton Head Island, SC on Saturday, December 14, 2013

Crutchfield Customer Review (What's this?)

Our purchase experience was very satisfactory. Delivery was prompt. Installation...not so much.

Pros: Product works fine.

Cons: Designated installers cracked the windshield during installation. After it was replaced it was determined that it had been improperly wired during the original installation so we had no OnStar service for three weeks when the problem was finally resolved, But other than that the product we bought was fine and delivery was prompt.

Hands-on research

What's in the box?

Download owner's manual

  • Cam lock installation bracket
  • Tube of 1-step glass primer
  • 2 Dual self-adhesive syringes
  • 2 Alcohol prep-pads
  • Installation Instructions

Product Research


Overview: The Cam Lock Installation Kit is designed specifically to mount the OnStar FMV to the windshield of compatible vehicles that use a cam lock mounting system to secure the factory rearview mirror. The Cam Lock Installation Kit consist of the following:

  • Cam lock installation bracket
  • Tube of 1-step glass primer
  • 2 Dual self-adhesive syringes
  • 2 Alcohol prep-pads
  • Installation Instructions

Removing Factory Mirror: Grasp the base of the mirror and rotate 90-degress counterclockwise. Slide the mirror down toward the dash to remove. No tools are required.

Cleaning & Prepping Windshield: Scrape the windshield with a razor blade to remove any residue or contaminates (maybe clear and not visible to the naked eye). With the provided alcohol wipes, thoroughly clean the glass mounting area. Then apply primer to this area of the windshield (keep dashboard covered to catch drips and prevent staining). Allow a minimum of 6 minutes for primer to dry before applying the adhesive.

Installing Cam Lock Mount Adapter: Slide the cam lock adapter up into the factory cam lock mount on the windshield of the vehicle. Ensure the adapter is seated all the way up into the mount. Hand tighten the set-screw using a 1/64" Allen wrench. Apply electrical tape along the sides and top of the mount adapter; use a flat-edged tool to make a tight seal between the tape and windshield to keep adhesive from squeezing out when injecting the adhesive.

Note: If the adapter starts to push away from the windshield, it is too tight.

Applying Adhesive: Using only the adhesive provided, insert the syringe into the fill holes at the top of the adapter and slowly depress the plunger. The cam lock installation kit includes 2 dual syringes. Cover the dashboard to avoid damage from drips. The adhesive starts to set within 5-10 minutes of applications. After 10 minutes, you may mount the OnStar FMV Mirror.

Note: Allow at least 20 minutes for the adhesive to fully cure at room temperature before driving the vehicle.

Our Product Research Team

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