Make sure both people are consenting adults and fully comfortable
Choose a legal, private, and safe location
Park securely and turn off the engine
Lock the doors if appropriate and safe to do so
Adjust seats for as much space as possible
Remove or lower anything that could get in the way
Keep movements slow and mindful to avoid injury
Communicate clearly about comfort, boundaries, and stopping if needed
Avoid anything that could distract the driver if the car is moving
Keep clothing and accessories simple to reduce discomfort
Use protection and have it ready beforehand
Keep tissues, wipes, and water nearby
Be aware of local laws and public decency rules
Stop immediately if anyone feels unsafe, cramped, or unwell