# Unlock your car with a tennis ball??? \*VID\*

**URL:** <https://forums.speedlife.net/t/unlock-your-car-with-a-tennis-ball-vid/23968>\
**Category:** NYSpeed Off Topic\
**Created:** [February 2, 2007, 1:02pm UTC](https://forums.speedlife.net/t/unlock-your-car-with-a-tennis-ball-vid/23968 "2007-02-02T13:02:41Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![Rx3](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/rx3/32/7194_2.png) [@Rx3](https://forums.speedlife.net/u/Rx3)\
**Post date:** [February 2, 2007, 1:34pm UTC](https://forums.speedlife.net/t/unlock-your-car-with-a-tennis-ball-vid/23968/8 "2007-02-02T13:34:12Z")

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It is true for some cars. Some of the newer Mercedes for instance have vacuum air locks (not mechanical motor). The locking mechanism pushes air through the system to pop the locks.

I doubt it will work on older cars, but some of the new cars it will work on.

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