This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to be comfortable on a long car trip
Plan breaks.
Map the route your trip will take ahead of time, being sure to build in stops every couple of hours. Taking a break gives you the opportunity to stretch and walk around.

Select from the following.
1). Park the car and, if applicable, use extra time outside of the car to stretch and recharge. Driving during peak hours also will be beneficial for you, especially if you live in a well-populated area.;
2). This gives you energy, not to mention it reduces the likelihood of crashing in a car wreck. Plan your breaks ahead of time, but build the number of cars along the way, leaving the rest of the roads empty.;
3). It will also keep your legs from cramping up! You should plan your stops at places with bathrooms, so you don't have to frantically search for one when you need one. Get lots of rest before your trip.;
4). Go in to a restroom, drink water, and freshen up. If it is hot outside, go to the bathroom in a public area, away from crowds.;
The answer is:
3).