<ul><li>Uber drivers reveal reasons for giving passengers low ratings - Loud friends, leaving crumbs, and loading the car with bags might be why.</li><li>Loading luggage and taking time to load and unload it can cause drivers to lose money and lead to lower ratings, says an anonymous driver.</li><li>Bad manners in the car, such as slamming doors and banging suitcases, could bring down a passenger's rating, says a driver who has driven for the company for 15 months.</li><li>Tipping more can improve rider ratings, according to some Uber drivers - "even just a few dollars every ride".</li></ul>

Uber drivers reveal top reasons for giving passengers low ratings

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