Battery

Refer to the replacement number on the original battery label when a new battery is needed.

DANGER:
Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling.

The battery is under the rear seat cushion. To access the battery, see “Removing the Rear Seat Cushion” under Rear Underseat Fuse Block.

Access to the battery is not necessary to jump start the vehicle. See Jump Starting.

WARNING:
A battery that is not properly vented can let sulfuric acid fumes into the area under the rear seat cushion. These fumes can damage the rear seat safety belt systems. You might not be able to see this damage and the safety belts might not provide the protection needed in a crash. If a replacement battery is ever needed, it must be vented in the same manner as the original battery.
Always make sure that the vent hose is properly reattached before reinstalling the seat cushion.

To be sure the vent hose (A) is properly attached, the

To be sure the vent hose (A) is properly attached, the vent hose connectors (B) must be securely reattached to the vent outlets (C) on each side of the battery and the vent assembly grommet (D) must be secured to the floor pan (E).

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 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 Theft-Deterrent Feature for the audio system.

    See also:

    When Should an Airbag Inflate?
    Frontal airbags are designed to inflate in moderate to severe frontal or near frontal crashes to help reduce the potential for severe injuries mainly to the driver's or right front passenger's head an ...

    Vehicle Personalization
    The audio system controls are used to access the personalization menus for customizing vehicle features. CONFIG (Configuration): Press to access the Configuration Settings Menu. Knob: Press the cen ...

    Vehicle Overview
    Introduced for 2002, the Buick Rendezvous continues into 2005 in regular and Ultra forms with front-wheel drive or Versatrak all-wheel drive. Ultra editions feature a 245-horsepower, 3.6-liter V-6 ...