Originally Posted by
13ollocks
a varia in combination with an “actual” rear-view - either a mirror or an actual look behind- is the ideal combination IMO. I check my rear-view regularly in any case, but the varia is a great back up and a warning when something appears between “scans”. I wouldn’t trust the varia alone - always verify. I’ve had a few - albeit rare - occasions where the varia
just didn’t see cars that were slowly catching up and overtaking. They’re like T. rex - their sight depends on relative movement
To be clear : Varia Radar absolutely can’t see a car behind that’s slowing or at your same speed (ie “pacing”). Failure to look behind could easily become fatal.