RCW 46.55.370

If an impoundment arising from an alleged violation of RCW 46.61.502 or 46.61.504, or illegal racing under RCW 46.61.500 or 46.61.530, or a comparable ordinance is determined to be in violation of this chapter, then the police officer directing the impoundment and the government employing the officer are not liable for damages for loss of use of the vehicle if the officer had reasonable suspicion to believe that the driver of the vehicle was driving the vehicle in violation of RCW 46.61.502 or 46.61.504, or conducting illegal racing in violation of RCW 46.61.500 or 46.61.530, or comparable municipal ordinance.