Battery check Opel Vectra 1999 - 2002 | Haynes Manuals
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Locate the battery
Open the battery cover
Check the Negative (-) terminal clamp is tight
Check the Positive (+) terminal clamp is tight. CAUTION If using a spanner to tighten terminal, be careful not to short the spanner on the bodywork
Check battery is generally secure, if loose, tighten the battery retainer
The battery retaining clamp position
Tighten if required - a 13mm socket or spanner is needed. Not too tight as you may damage the battery casing
Carefully move fuse box to gain access to the battery retaining clamp