If you wish to perform fixes to your Lem Four X then it is always a great idea to own a Workshop Manual to use as a reference if perhaps you want to know simple methods to strip off a specific component for instance the Wheel and fit it again properly.
Lem Four X Workshop Manuals gives you special diagnostic wisdom for the car or truck therefore if something is playing up it can help you understand what the issue is and some ways to correct it. You will be able to decide if you can do this by yourself or in the event the job is too big you are able to make a reservation for your Four X into a local garage.
Lem Four X manual