2011 Toyota Tacoma Regular Cab Owners Manual - Page 715

2-1. Driving procedures n Parking brake engaged warning buzzer The buzzer sounds to indicate that parking brake is still engaged (with the vehicle having reach a speed of 3 mph [5 km/h]). n Usage in winter time See "Winter driving tips" for parking brake usage in winter time. (→P. 210) NOTICE n Before driving 2 When driving Fully release the parking brake. Driving the vehicle with the parking brake set will lead to brake components overheating, which may affect braking performance and increase brake wear. 155