I too found it awkward at times to read speedo with tonneau fitted so I got this Heads Up Display GPS speedometer from Amazon for £35 .

It does many things but I use it mainly for clear speed accurate reading....great item.




Be aware this item lets out a very loud beep after 1 hour of driving which is to stop you nodding off at the wheel!!!

Scared the c**p out of me..thought I had engine fault!!!

All revealed if you read the instructions...but who does that !!!

" I LOVE THE SOUND OF THROTTLE BODIES IN THE MORNING " (ROBERT DUVAL IN "APOCOLYPSE NOW " )