Thread: S40 (New) Electrics : - Replacing the battery
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Old Jan 28th, 2022, 13:10   #10
froggyted
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Quote:
Originally Posted by Tannaton View Post
A bit late to the post but....

- You should disconnect the -ve lead first when removing the battery for the reason that if you catch your spanner on any metal work when undoing the +ve lead you won't short the battery.

- The reason Volvo recommend having the ignition key in POS II when reconnecting the battery is the first time the airbag system is energised, you're not sat behind one. There is no electrical or physics behind it. In 8 years on this forum I have never read of any accidental/unintentional airbag deployment, so I never bother.
Unlike some Audis someone once told me about. Note that as per andy_d's post above VIDA states position I, it was the Haynes manual that stated II.
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Last edited by froggyted; Jan 28th, 2022 at 13:23.
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