Believe it or not, there are still quite a few people out there who practice the fading art of shifting manually, with a foot pedal and a "stick" gearshift, and who do so willingly.
Despite their somewhat simpler operation, manual transmissions nonetheless have their share of things that can go wrong. One potential problem is that the transmission refuses to budge when you depress the clutch pedal and attempt to move the stick shifter.
It may happen when trying to get into first gear from a stop, or at any point up and down the assorted gears. Common causes include low transmission fluid, wrong viscosity (thickness) of fluid, or required adjusting of the shift cables or clutch linkage.
The nose knows when it comes to things being not quite right with your vehicle. Continue to the next page to find out how your olfactory sense factors into transmission diagnosis.