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Car tech buying guides

Choose car tech with confidence

Plain-English guides to dash cams, wireless CarPlay adapters, phone mounts, OBD2 scanners, jump starters and more. We compare specs, compatibility and buyer feedback so you know what to check before you buy.

Dash cam buying guide Dash cam laws Parking mode

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Dash Cams Front and rear cameras, parking mode, laws CarPlay & Android Auto Wireless adapters and compatibility Phone Mounts & Chargers Mounts, MagSafe and USB-C chargers OBD2 & Diagnostics Read codes and check engine lights Jump Starters & Batteries Sizing, safety and chargers Tires & Inflators Portable pumps and pressure tools Interior & Accessories Vacuums, mats, seat covers, carriers Guides & Laws How-tos and plain-English rules

Latest guides

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Quick answers

Are dash cams legal?Yes in all states, but mounting and audio rules vary. Will parking mode drain my battery?Only without a proper cutoff or battery pack. Can I install a dash cam myself?Plug-in installs are easy; hardwiring takes more care.

About CarTechWiki

CarTechWiki publishes research-based buying guides for car tech and accessories. We compare specifications, features and available buyer feedback to explain who each product suits. We do not claim hands-on testing unless an article says so.

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