Here is the full list of all 63 Car Detailing Simulator achievements.
Finish game
Get 15 rep
Buy auto salon
Wash 50 cars
Sell lower price
Buy shed car
Repair garage
Buy garage
Pressure washer time
Get 10 rep
Use automatic polisher
Use small brush
Use paint meter
Use sponge
Buy all upgrades
Find unique
Return dirty
Wash 10 cars
Buy all toolkits
Get 5 rep
Stairs ride
Fix trash
Use trash can
Buy interior toolkit
Long session
Fix seat
Use sand paper
Use soft brush
Use wide brush
Buy seat toolkit
Buy window toolkit
Buy wheel toolkit
Buy garage upgrade
Get 2 rep
Fix scratches
Use hand polisher
Use flashlight
Buy finish toolkit
Open memory
Wash 1 car
Take photo
Buy body toolkit
Buy one toolkit
Finish tutorial
Use vacuum
Use window spray
Use seat spray
Use rag
Use pressure washer
Buy lights toolkit
See credits
Fix body
Fix windows
Fix wheels
Wash 100 cars
Wash 500 cars
Make money
Overtime
Water computer
Fix ufo
Car 1 minute
Find turtle