GMC Silverado 2022 Manual page 302

Chevrolet/GMC Silverado/Sierra/Sierra Denali 2500 HD/3500 HD Owner
Manual (GMNA-Localizing-MidEast-16504136) - 2023 - CRC - 6/8/22
302 Vehicle Care
Warning
Batteries have acid that can burn you and
gas that can explode. You can be hurt
badly if you are not careful.
Follow instructions carefully when
working around a battery.
Battery posts, terminals and related
accessories contain lead and lead
compounds which can cause cancer and
reproductive harm. Wash hands after
handling.
Vehicle Storage
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.
Negative Battery Cable Disconnection
Warning
Before disconnecting the negative battery
cable, turn off all features, turn the
ignition off, and remove the key,
if equipped, from the vehicle. If this is
not done, you or others could be injured,
and the vehicle could be damaged.
1. Make sure the lamps, features, and
accessories are turned off.
2. Turn the ignition off and remove the
key, if equipped.
1. Loosen the negative battery cable nut (1).
2. Remove the negative battery cable
clamp (2) from the negative battery post.
3. Cover the negative battery cable clamp,
and negative battery post with a
non-conductive material to prevent any
contact with the negative battery cable.
Negative Battery Cable Reconnection
Caution
When reconnecting the battery:
Use the original nut from the vehicle
to secure the negative battery cable.
Do not use a different nut. If you
need a replacement nut, see your
dealer.
Tighten the nut with a hand tool. Do
not use an impact wrench or power
tools to tighten the nut.
The vehicle could be damaged if these
guidelines are not followed.