2005 Toyota Tundra Owners Manual - Page 679

'05 TUNDRA_U (L/O 0504) (a) Brake System Warning Light and Buzzer This light comes on in the following cases when the ignition key is in the "ON" position. Have your vehicle checked at your Toyota dealer in the following cases: D The light does not come on even if the parking brake is applied when the ignition key is in the "ON" position. With the vehicle stability control system- With the vehicle stability control system- If any of the following conditions occurs, immediately stop your vehicle at a safe place and contact your Toyota dealer. D When the parking brake is applied...With the vehicle stability control system- This light comes on for a few seconds when the ignition key is turned to the "ON" position even after the parking brake is released. D The light does not come on even if the ignition key is turned on with the parking brake released. A warning light turning on briefly during operation does not indicate a problem. D The light does not turn off even after the parking brake is released while the engine is running. D The warning buzzer comes on together with the warning light. In either case, this can indicate that the brakes may not work properly and your stopping distance will become longer. Depress the brake pedal firmly and bring the vehicle to an immediate stop. D When the brake fluid level is low...CAUTION It is dangerous to continue driving normally when the brake fluid level is low. CAUTION Without the vehicle stability control system- If the light does not turn off even after the parking brake is released while the engine is running, immediately stop your vehicle at a safe place and contact your Toyota dealer. In this case, the brakes may not work properly and your stopping distance will become longer. Depress the brake pedal firmly and bring the vehicle to an immediate stop. D The brake system warning light remains on together with the "ABS" warning light. In this case, not only the anti−lock brake system will fail but also the vehicle will become extremely unstable during braking. D When the hydraulic brake booster fails (with the vehicle stability control system)...If the hydraulic booster causes a problem resulting in poor braking performance, the warning light comes on and buzzer sounds continuously. 173 2005 TUNDRA from Apr. '05 Prod. (OM34440U)