My OnStar-equipped Chevy pickup once locked the doors all by itself. I closed the doors and a few seconds later heard the locks. With the key and remote in the ignition.
I called OnStar and they sent the unlock command twice, but no response.
Turns out that OnStar shuts itself off after 3 days of the vehicle not being started because it was draining batteries.
I'm not too happy about that one-size-fits-all approach. I'd think my truck, with a pair of massive batteries, might be able to hold up to this slow drain better than, say, a Cobalt.
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