Mercedes-Benz SLR McLaren. Operator's Manual.

Operation
At the gas station
Replace fuel cap by turning it clockwise
until it audibly engages.
Close the fuel filler flap until you hear
the latch close shut.
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More information on gasoline can be
found in the Factory Approved Service
Products pamphlet.
Leaving the engine running and the fuel
cap open can cause the ú malfunction
indicator lamp (USA only) or
the ± malfunction indicator lamp
(Canada only) to illuminate.
For more information, see “Practical
hints” ( page 301).
242
Check regularly and before a long trip
1 Coolant
2 Engine oil
3 Brake fluid
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Opening the hood, see ( page 244).
Coolant
For normal replenishing, use water (potable
water quality). For more information,
see “Coolant” ( page 250) and see “Fuels,
coolants, lubricants, etc.”
( page 377).
Engine oil level
For more information on engine oil level,
see “Engine oil” ( page 247).
Brake fluid
!
If you find that the brake fluid in the
brake fluid reservoir has fallen to the
minimum mark or below, have the
brake system checked for brake pad
thickness and leaks immediately.
Notify an authorized Mercedes-Benz
Center immediately. Do not add brake
fluid as this will not solve the problem.
For more information, see “Practical
hints” ( page 300).