Mercedes-Benz SLR McLaren. Operator's Manual.

Left display Right display Possible cause/
consequence
; (USA only)
3 (Canada only)
Reduced
brake effect
Start engine
Increased
stopping distance
Start engine
Warning! G
Inhalation of exhaust gas is hazardous to
your health. All exhaust gas contains carbon
monoxide, and inhaling it can cause unconsciousness
and possible death.
Do not run the engine in confined areas
(such as a garage) which are not properly
ventilated.
The battery has insufficient
voltage and cannot supply sufficient
power to the electrohydraulic
brake system.
Possible solution
Practical hints
What to do if ...
Start the engine.
As soon as the engine is running, the message
disappears.
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