Select from options: Continue writing the next sentence.

How to choose a combo alarm system for a car
Visit a dealer.
Ask if your car dealership can recommend a car combo alarm system. As a professional, your car dealer will most likely know which types of alarm systems are available for your car and which are most compatible.

Select from: I. Try out different systems for two advantages. Different systems can work for different people depending on how many people are in the car.. II. They should be able to give you detailed information on the areas of the car that you should use a combo alarm system with. Test it out at yard sales or at the construction site.. III. Take a minute and think about which specific car alarm features would be useful to you. Though all combo alarm systems for cars combine a number of features, each system offers different a combination.. IV. Consider why the car alarm system operates. Know your different components and try out different combinations to make sure that you will get the highest coverage possible..
Answer:
III.