Guarantee cases Vivaro

Hi, I would be interested in which warranty services you have already used ? So my Vivaro is 15 months old 1.9 liters diesel and about 35.000 km run. until now the radio was defective (on or off goes or does not work) pump of the windscreen wiper defective (couldn’t decide whether to pump forward or behind, because just pumped forward and rear) mfg