In some cases, the problem was caused by spiders.
Sometimes, their webs can create a blockage in a drainage tube coming from the air conditioning condenser. That can cause water to drip down onto an airbag control module, causing a short circuit. That, in turn, could cause the airbag warning light to light up on the dashboard and it could even cause the driver’s side airbag to deploy, something that happens with explosive force.
In some cases, there could also be a loss of power-steering force, Toyota (TM) said.
Read the full story – 870k Toyotas recalled for spider-related problem – Oct. 17, 2013.