Park the vehicle on a level surface and turn off the ignition
Set the parking brake
Ensure all accessories are off (lights, radio, HVAC)
Open the hood and locate the battery terminals
Identify the negative terminal (usually marked with “-” or “NEG”)
If present, remove any terminal covers or protective caps
Loosen the negative terminal clamp bolt using the correct wrench/socket
Move the negative cable away from the battery post and secure it so it cannot spring back
Loosen the positive terminal clamp bolt
Move the positive cable away from the battery post and secure it so it cannot spring back
If you are replacing the battery, remove the hold-down clamp/bracket and lift the battery out carefully
When reconnecting later, connect the positive terminal first, then connect the negative terminal last
Tighten both terminal clamps securely and reinstall any terminal covers/protective caps