Quote:
Originally Posted by 986 Boxster
If you don`t lock a car now a days, the car wont go into sleep mode. You should lock it and activate the alarm whenever you don`t plan on driving it for a few hours. Car electronics will still think that you are driving it and wont shut off completely (going to sleep), therefore draining your battery slowly.
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With all the electronic wizardry and various computers on the "newer cars" battery drain is very likely to happen when not locked and put into alarm mode.
But the OP'S Boxster is a 2000 as is mine. Very unlikely that there is going to be a problem with battery drain on a twenty year old car over a period of four to six weeks.
The OP lives in Calif. So no cold weather affects on battery drain and if the car has no underlying issues with the car he should be fine.
I live in Wa. state and I leave my Boxster untouched for two to three months at a time and have never have a problem.
A battery tender is a great idea as they prolong battery and batteries are expensive these days.