Car Camera Surveillance for Driving and Parking

Yes, if the model supports parking mode and has a suitable permanent power source. A compatible hardwire kit or battery pack may be required.

Not usually. Camera count, lens direction and obstructions create blind spots, so even multi-channel systems cannot guarantee complete coverage.

That depends on storage capacity, recording quality, channel count and overwrite settings. Protected event clips may be handled differently from ordinary loop files.

Yes, especially if it records passengers, employees or footage for business use. The ICO provides guidance on video surveillance and data-protection responsibilities.