Volvo 2001 S80 Operation And Care Manual page 20

At low speeds or when the car is not moving, the temperature readings may be slightly higher than the actual ambient
temperature.
12 Clock/reset button
Turn the button to adjust the clock.
13 Fuel gauge
The fuel tank holds approximately 21.1 US gal. (80 liters).
When the warning light comes on there is approximately 1.8 US gal. (8 liters) of fuel remaining.
14 Indicator and warning lights
pg. 24 Indicator and warning lights
The indicator and warning lights described on pages 24 and 25 should never stay on when driving
When the ignition key is turned, all of the warning lights in the lower right-hand side of the instrument panel should
go on to test the function of the bulbs. If a light does not go off after the engine has started, the
system indicated should be inspected.
NOTE: The parking brake reminder light will not go off until the parking brake has been fully released.
Warning lamp in the center of the instrument panel This lamp lights up red or orange depending on the
severity of the fault that has been detected.
Orange light: Follow the instructions shown in the text window.
Red light: Stop the car as soon as possible in a suitable location and read the message shown in the text window.
Supplemental Restraint System (SRS)
If the light comes on (or stays on after the vehicle has started), the SRS diagnostic system has detected a fault. Drive to
an authorized Volvo retailer for an inspection of the system. See the SRS section for more information.
BRAKE
Brake failure warning light
If the light comes on while driving or braking, stop immediately, open the hood and check the brake fluid level