Electrical problem - while up and down hills

[Dane_polo]

Hi
New member here

VOLKSWAGEN POLO 1,2 TSI 90 hk BMT 5

Hope you can help me. I have an odd issue with my car:

When i drive up and down hills or over road bumps following errors come:

No coolant
No washer fluid
The blinkers dosent work nor the long light.

This does not happen everytime I drive.

[RUM4MO]

Might be a fuse coming loose, I'd check all fuse boxes and press/push in hard on every fuse, or an earth wire has broken somewhere.

[TrebleTA]

Sound more like a lose earth