If the alarm on a Toyota Corolla continues to sound, what should be the initial point of inspection?

★ Top Answer

Here are some possible reasons why a car alarm in a Toyota Corolla might activate unexpectedly: a depleted or faulty car battery, a corroded or rusted battery connection, or a malfunctioning key fob. If your car alarm keeps going off randomly and none of these reasons seem to be the cause, you may need to consider replacing the alarm system, which could range in cost from $200 to over $1000 depending on the type of system. The primary goal of a car alarm is to deter theft of both your personal belongings in the vehicle and the vehicle itself. However, it's important to note that not all car alarms function the same way, as they can be triggered by various actions and come with different features.

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