Instrument Panel, Gauges and Warning Indicators: Description and Operation

DOOR LOCK: KEY REMINDER WARNING SYSTEM: SYSTEM DESCRIPTION

SYSTEM DESCRIPTION

1. SYSTEM DESCRIPTION
(a) The key reminder system is a precautionary function that reminds the driver that the key is still in the ignition key cylinder. The system activates a built-in buzzer when the ignition switch is OFF, the key is in the ignition key cylinder and the driver door is opened.
2. SYSTEM FUNCTION
(a) The combination meter commands the driver circuit to sound a built-in buzzer when the following 3 conditions are met: 1) the ignition switch is turned OFF: 2) the combination meter receives an unlock warning switch signal from the ignition key cylinder indicating that the key is inserted, and: 3) the combination meter receives a driver side door open signal from the front door courtesy light switch.
3. FUNCTION OF MAIN COMPONENTS