My toddler and car sit.

I have been having real hard times to make her sit in her car sit to go somewhere. Her constant resistance to get into the car sit voluntary makes me feel like stay at home all time but it is impossible, we have toddler classes, meet with friends, or just have to go shopping or do some errands.  So I brainstormed many options how to solve this problem and found some tricks I would like to share:
1. let her play for some time inside the car before  the car sit
2. turn on music
3. ..