Must be at the dealership. Look arround for separate mechanic.
It is going to be expensive. Transverse mounted engines are a pain.
How long? It depends. Do you see fraying?
Here is the problem. Some engines have valves which might hit the pistons if the timing beltnbreaks. That is VERY expensive. BTDT beFore the replacement mileage.
Some go a long time. I wouldn't wait too long. Couple of months not getting crazy.
“The price of freedom is the willingness to do sudden battle anywhere, any time and with utter recklessness.”
― Robert A. Heinlein, The Puppet Masters