Please choose the correct ending to complete the given sentence: Travel: [header] How to plan a trip using your car navigation system [title] Familiarize yourself with the car navigation system. [substeps] Take short trips around town relying only on it to get you from place to place. Gaining confidence with a car navigation system in your own backyard " will make using it in unfamiliar areas less stressful.

Ending1: " the more hands on you are able to handle and operate the navigation system, the more likely you are to get into an accident without the need to keep in mind where your car will be. Additionally, have your car radio on so you can activate the system in the event of an accident. Ending2: [title] Find the address of the location to which you are traveling. [substeps] Addresses can be obtained through internet searches, phone book ads or by calling the place you are planning to visit. Ending3: " for longer trips in large cities, the longer trips will help make navigation much easier. Also consider using your car navigation system once a day, as you want it to work with your window controls. Ending4: " [title] Get used to the layout of the car. [substeps] Take a look at things like roof, trunk, couplers, etc.

Answer format: ending1/ending2/ending3/ending4