I totally disagree - factory jacks barely lift the car enough to get the tire off the ground and are pretty unstable. That combined with unloading the whole trunk digging around for the tools, etc. would take far longer than 20 seconds.

Besides, if the guy underneath the car was on fire, don't you think the additional seconds or minutes of burns could cause much more significant injuries? I prefer not to burn personally! I thought the reaction was commendable and heroic personally.

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2001 X5 4.4i
2002 Honda S2000