If you need to execute repairs to your Lem CX3 then it is usually a good plan to possess a Workshop Manual to keep just for a reference in the event that you need to know methods to remove a certain part such as the Gearbox and install it again adequately.
Lem CX3 Workshop Manuals gives you specific diagnostic guidelines for your car or truck so if something is faulty it helps you find out what the situation is and some ways to resolve it. You can then analyse if this can be achieved by yourself or in the event the job is just too big it is possible to book your CX3 in to a local car garage.
Lem CX3 manual