What is NOT a typical cause of fire in a vehicle?

A regular oil change is not a typical cause of fire in a vehicle because it is a routine maintenance procedure aimed at ensuring the proper functioning of an engine. Regularly changing the oil in a vehicle helps to prevent buildup of sludge and contaminants, which can contribute to poor engine performance and overheating. When performed correctly, an oil change is unlikely to introduce conditions that would lead to combustion or fire.

In contrast, exhaust system backfires, electrical failures, and loose battery connections can create dangerous situations that may lead to vehicle fires. Exhaust backfires can result in flames escaping from the exhaust system, potentially igniting nearby combustible materials. Electrical failures can lead to short circuits or sparks that might ignite flammable substances. Loose battery connections can cause arcing, which may also result in a fire. Each of these scenarios presents risks that are much more directly related to the ignition and spread of fire in a vehicle context.