
Turning the ignition key to MAR, the multifunction display shows the message “Check active”: the diagnostic phase of all the electronic systems on the car has started. This lasts few seconds: if no faults are detected, when the engine has started, the display shows the “Check OK” message. See section “Warning lights and messages” if faults are found.

Chevrolet Sonic. Warning Lights, Gauges, and Indicators
Warning lights and gauges can signal that something is wrong before it becomes
serious enough to cause an expensive repair or replacement. Paying attention to
the warning lights and gauges could p ...
Peugeot 208. Maintenance
Before doing anything under the bonnet, deactivate the Stop & Start system to
avoid any risk of injury resulting from automatic operation of START mode.
This system requires a battery with a sp ...
Chevrolet Sonic. Tire Pressure
Tires need the correct amount of air pressure to operate effectively.
Caution
Neither tire underinflation nor overinflation is good. Underinflated tires,
or tires that do not have enough air, can ...