Vehicle Storage
WARNING
Batteries have acid that can burn you and gas that can explode.
You can be badly hurt if you are not careful. See Jump Starting on page 10‑92 for tips on working around a battery without getting hurt.
Infrequent Usage: Remove the black, negative (−) cable from the battery to keep the battery from running down.
Extended Storage: Remove the black, negative (−) cable from the battery or use a battery trickle charger.
See also:
Footnotes — Maintenance Schedule Additional Required Services — Severe
a) Or every two years, whichever comes first.
b) Check all fuel and vapor lines and hoses for proper hook-up, routing, and condition. Check that the purge valve, if the vehicle has one, works properl ...
Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote
Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously
for five days. After five days, ...
Malfunction Indicator Lamp
A computer system called OBD II (On-Board Diagnostics-Second Generation) monitors the operation of the vehicle to ensure emissions are at acceptable levels, to produce a cleaner environment. This ligh ...