What grade of oil doe a 2007 Suzuki Reno take. 5 30 or 10 30

what engine?
you post engine questions not stated which one ?
is the oil lamp glowing , that it?
check oil levels first.
what oil are you running? grade.
one more easter egg hunt.
xL-7
ill guess, 3.6L engine the N36a
suzuki oem parts pages show this, as does the FSM.

part 13, there are 2 generations of pump.
why not post symptoms and not the guessing game.???

wow ,no engine or country stated, not that is Challenge.
RTM yet, this is advanced repair,,, skipping steps, you will fail.

the line up, got one of these?
1.4 L E-TEC I4 (petrol)
1.6 L E-TEC I4 (petrol)
1.8 L Family II I4 (petrol)
2.0 L Family II I4 (petrol)
2.0 L RA 420 I4 (diesel)

if in usa
this covers you
https://suzukipitstopplus.com/Products/1068-2007-forenza-reno-service-manual.aspx

if not, not.,

the cluster lamp, well that's easy,
turn key, all lights i dash glow as a test. see it TPMS
or open up glove box operators guide, see that page telling you same? and more.. on topic, lost it get one?

4 bucks a gander
https://suzukipitstopplus.com/Products/1067-2007-reno-owners-manual.aspx

same for FSM book (service), see it? see both?

take out the head light

diagram of 06 reno timing belt idler pulley locations

is it some kind of automatic shifting or semi-auto the smell seems to be gearbox

run the fault codes to find the fault in the transmission

no bleeder on this system. your thermostat maybe opening at a too high temperature, the norm for this one is 189 f to 216 f or 87c - 102 c

You may have to add a little silicone to the gaskets, especially around the crankshaft area. be sure to tighten the bolts down firmly.

you can call any auto parts store and ask them. they can also tell you how many quarts is needed and which grade to use for winter or summer.