How to install a front and rear dash cam

To install a front and rear dash cam yourself, plan for one to two hours, a plastic trim tool and a dry day. You'll mount the front unit behind the mirror, hide the power cable in the headliner, run the rear cable to the back glass and test all three cameras before you put the tools away. The one rule that matters: keep every cable out of the curtain airbag's path along the A-pillar.