If you have to do maintenance tasks to your Lem CX3 SR then it is always recommended to possess a Workshop Manual for personal reference in the event that you want to know techniques to take off a particular component for example Brake Pads and fit it again in the correct way.
Lem CX3 SR Workshop Manuals will give certain diagnostic wisdom for your car or truck so if something is not working it will help you work out what the problem is and easy methods to repair it. You will be able to determine if you can do this on your own or that the job is just too big you can book your CX3 SR into a decent garage.
Lem CX3 SR manual