Genuine Toyota Tundra Car Batteries

Toyota Tundra Car Batteries Parts Questions & Answers

• Battery
  28800-0F020
  Q: How to disconnect the battery on Toyota Sequoia and Toyota Tundra equipped with a navigation system or rear seat entertainment system?

  A: When disconnecting the Car Batteries on 2015 and later models with a navigation system or rear seat entertainment system, it is important to follow a specific procedure to prevent damage. Start by disconnecting the negative battery terminal, followed by the positive terminal. Then, remove the battery hold-down clamp and nuts. Carefully lift out the heavy battery using battery straps or handlers for easier removal and carrying. If replacing the battery, ensure the new one matches the dimensions, amperage rating, and cold cranking rating of the old battery. Transfer the heat shield from the old battery to the new one. When reinstalling, connect the positive cable first and the negative cable last.
• Battery
  28800-03044
  Q: What is the importance of a routine preventive maintenance program for ensuring quick and reliable starts for your Toyota Sequoia and Toyota Tundra's battery?

  A: Before starting, make sure you have the needed safety equipment. Also, turn off the engine and disconnect the negative terminal. Keep away any sparks or matches near the battery due to its flammable gas. Be cautious of the corrosive sulfuric acid in the electrolyte. Clamps with a battery brush and a solution of warm water and baking soda. Damaged parts should be painted with a zinc-based primer. Use a slow-rate charger for the battery. Avoid chargers with a higher amperage rating than 1/10th of the battery's amp/hour rating. If the battery has detachable cell caps, measure the gravity with a hydrometer.
• Battery
  28800-0F010
  Q: What precautions should be taken when disconnecting the battery?

  A: When disconnecting the Car Batteries, it is important to follow certain precautions to prevent damage to the vehicle's systems. The negative terminal should be disconnected first and connected last to avoid shorting the battery. Some systems, like the radio and power door locks, require constant battery power for operation. Before disconnecting the battery, turn off the ignition key and lighting switch to protect semiconductor components. Wait at least 1 minute after turning off the ignition switch before disconnecting the battery on models with a navigation system. Remove the key from the ignition on vehicles with power door locks to prevent accidental engagement when reconnecting the battery. After reconnecting the battery, the Transmission Control Module and engine management system's PCM may need time to relearn their adaptive strategies, resulting in changes in shifting and drivability. The power window system may also need recalibration. Memory savers can be used to maintain security alarm codes and PCM memory while isolating the car battery. To facilitate PCM relearning, start the engine, warm it up, and drive under moderate acceleration and idle conditions until normal performance returns. For power window calibration, turn the ignition switch to "RUN" and use the individual window switches to lower and raise each window while holding the switch in each position for three seconds.