Yes you could. Your title suggested that the problem was caused by an obstruction of the rear view mirror when in fact it wass the obstruction of the windscreen.
Speaking of Taxi drivers I know someone who called a taxi, 5 minutes in to the journey he stopped, took out his prayer mat and began to pray at the side of the road.
This was in North London. She never said the make of car. She did say she told him she would refuse to pay unless he got back in the car now. He didn't and she walked away.
Most minicab drivers couldn't find their backside with both hands, let alone their assigned destination. So how did this chap know which direction Mecca was?
SpikeyBush, given that they're speaking to an imaginary being with an endless supply of virgins and an apparent love of violent death, cardinal points of the compass are redundant anyway.