Battery drains if not started for a day, chirping sound inside of car

2007 BUICK RENDEZVOUS
166,000 MILES • 2.6L • 6 CYL • 2WD • AUTOMATIC
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JAMES NASH
  • MEMBER
  • 1 POST
Chirping sound, after a day not starting car will not start battery dead. replaced battery, back trunk will not open accept with remote, all other doors wont open with remote. replaced battery with new one old one checked out okay.
Jan 2, 2019 at 10:20 PM
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning,

If it drains after one day, you have a parasitic draw that is draining the battery.

I will attach a guide for you to check for the drain. you will need a voltmeter that will read amperage or current flow.

https://www.2carpros.com/articles/car-battery-dead-overnight

Roy
Jan 3, 2019 at 5:10 AM
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